CN112076890A - Magnetite sorting method and system - Google Patents
Magnetite sorting method and system Download PDFInfo
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- CN112076890A CN112076890A CN202010817752.2A CN202010817752A CN112076890A CN 112076890 A CN112076890 A CN 112076890A CN 202010817752 A CN202010817752 A CN 202010817752A CN 112076890 A CN112076890 A CN 112076890A
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- concentrate
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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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
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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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
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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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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Abstract
The invention discloses a magnetite sorting method and a system thereof, wherein the method comprises the following steps: 1) performing fine screening treatment on the demagnetized ore after the demagnetizing treatment to obtain rough concentrate and excess material, and performing ball milling treatment on the obtained excess material; 2) elutriating the coarse concentrate to obtain elutriated iron concentrate and elutriated overflow; 3) filtering the elutriated iron ore concentrate to obtain filtered overflow and finished iron ore concentrate; concentrating the elutriation overflow to obtain a concentrated overflow and a concentrated underflow; 4) carrying out magnetic separation treatment on the filtered overflow to obtain magnetic separation iron concentrate and tailings; taking the concentrated overflow as the elutriation treatment circulating feed water, and sending the concentrated underflow into a tailing pond; 5) feeding the magnetic separation iron concentrate into the step 1), then carrying out fine screening treatment, and feeding tailings into a flotation system. The magnetite screening method can effectively remove the fine-grain poor intergrowth, reduce the content of impurities in the iron ore concentrate, improve the grade of the iron ore concentrate and improve the comprehensive utilization benefit of ore resources.
Description
Technical Field
The invention relates to the technical field of mine beneficiation, in particular to a magnetite beneficiation method and a system thereof.
Background
At present, many magnetite raw ores in China have fine embedded particle sizes and high impurity content, and iron ore concentrates selected by a conventional magnetic separator have low grade and low price, so that the economic benefit is low. Along with the continuation of production, the mine is to deep mining, western district's output reduces, and the east district becomes the main mining area, and the east district is mostly the powdered mineral, and the grade is low and contains gangue mineral, poor intergrowth and monomer pyrite and pyrite-magnetite intergrowth more, has increased the degree of difficulty for the sorting of ore, leads to the iron ore concentrate grade to slowly descend, along with the increase of east district's output, the iron ore concentrate grade drops to 63.5% from 65%, and there is great price difference between 63.5% and the 65% iron ore concentrate, and the iron ore concentrate grade reduces and leads to the mine benefit impaired.
Therefore, a magnetite separation method needs to be designed, so that the grade of the iron ore concentrate is improved, and the comprehensive utilization benefit of ore resources is improved.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a magnetite separation method and a system thereof, and the method can reduce the content of impurities in iron ore concentrate, improve the grade of high-iron ore concentrate and improve the comprehensive utilization benefit of ore resources.
In order to achieve the above purpose, the present invention provides a magnetite screening method, which comprises the following steps:
1) performing fine screening treatment on the demagnetized ore after the demagnetizing treatment to obtain rough concentrate and excess material, and performing ball milling treatment on the obtained excess material;
2) elutriating the coarse concentrate obtained in the step 1) to obtain elutriated iron concentrate and elutriated overflow;
3) filtering the elutriation iron concentrate obtained in the step 2) to obtain filtering overflow and finished product iron concentrate; concentrating the elutriation overflow obtained in the step 2) to obtain a concentrated overflow and a concentrated underflow;
4) carrying out magnetic separation treatment on the filtering overflow obtained in the step 3) to obtain magnetic separation iron concentrate and tailings; taking the concentrated overflow obtained in the step 3) as the elutriation treatment circulating feed water, and sending the concentrated underflow into a tailing pond;
5) sending the magnetic separation iron concentrate obtained in the step 4) into the step 1) and then carrying out fine screening treatment, and sending the tailings obtained in the step 4) into a flotation system.
Further, in the step 1), the coarse concentrate with the fineness of 0.074mm accounts for more than 88%.
Further, in the step 1), the residual material after ball milling is demagnetized and then is sent to a fine sieve for treatment.
Further, in the step 3), the water content of the finished iron ore concentrate is less than or equal to 10%.
Further, in the step 3), the iron content of the finished product iron ore concentrate is more than or equal to 65%, and the sulfur content is less than or equal to 0.5%.
Further, in the step 3), the finished iron ore concentrate is conveyed to an iron ore concentrate storage through a conveyor.
Still further, in the step 3), the mass concentration of the concentrated underflow is 25-30%.
Furthermore, in the step 4), the iron content of the magnetic separation iron concentrate is more than or equal to 62%.
The invention also provides a system for realizing the magnetite sorting method, which comprises a fine screening machine, a ball mill, an elutriation magnetic separator, a filter, a thickener, a magnetic separator and a conveyor;
the fine screening machine is provided with an inlet for inputting demagnetized ores, a residual material outlet of the fine screening machine is connected with an inlet of the ball mill, a coarse concentrate outlet of the fine screening machine is connected with a coarse concentrate inlet of the elutriation magnetic separator, a discharge port of the elutriation magnetic separator is connected with a feeding port of the filter, an overflow outlet of the elutriation magnetic separator is connected with an overflow inlet of the thickener, and a water inlet of the elutriation magnetic separator is connected with an external water source through a water feeding pump;
the liquid outlet of the filter is connected with the feed inlet of the magnetic separator, and the iron ore concentrate outlet of the filter is connected with the conveyor; the ore outlet of the magnetic separator is connected with the inlet of the fine screening machine, and the tailing outlet of the magnetic separator is connected with a flotation system; and a concentration overflow outlet of the thickener is connected with a water inlet of the elutriation magnetic separator, and a concentration underflow outlet of the thickener is connected with a tailings pond.
Compared with the prior art, the invention has the following advantages:
firstly, the magnetite screening method can effectively remove the fine particle poor intergrowth in the rough concentrate without fine grinding, reduce the content of impurities such as silicon, phosphorus, sulfur and the like in the iron ore concentrate, improve the grade of the iron ore concentrate and improve the comprehensive utilization benefit of ore resources.
Secondly, the magnetite separation method of the invention uses the elutriation magnetic separator to replace the conventional magnetic separator as the separation equipment, and uses the alternating magnetic field and the ascending water flow of the full-automatic elutriation magnetic separator to achieve the purpose of controlling the grade of the iron ore concentrate, thereby not only meeting the diversified requirements of the multi-iron ore concentrate products in the market, but also saving the use area of the magnetic separation field.
Thirdly, the water inlet of the elutriation magnetic separator is additionally provided with a water feeding pump which is connected with an external water source, the water quantity for the elutriation magnetic separator is large, and the water supply quantity for reforming the existing water circulation system is only 1000m3The water changing pool of/h is additionally provided with a water feeding pump for supplying water for the elutriation magnetic separator, so that the water demand of the elutriation magnetic separator is met.
Fourthly, the magnetite separation method can obtain iron concentrate products with iron grade not less than 65% and sulfur grade not more than 0.5%, and the purpose of improving the iron concentrate grade to 65% is achieved.
Drawings
FIG. 1 is a schematic diagram of a system for carrying out a magnetite beneficiation process;
in the figure: the device comprises a fine screening machine 1 (an inlet 1.1, a residual material outlet 1.2 and a rough concentrate outlet 1.3), a ball mill 2, an elutriation magnetic separator 3 (a rough concentrate inlet 3.1, a discharge port 3.2, an overflow outlet 3.3 and a water inlet 3.4), a filter 4 (a feeding port 4.1, a liquid outlet 4.2 and an iron concentrate outlet 4.3), a thickener 5 (an overflow inlet 5.1, a concentration overflow outlet 5.2 and a concentration underflow outlet 5.3), a magnetic separator 6 (a feeding port 6.1, an ore outlet 6.2 and a tailing outlet 6.3), a conveyor 7, a flotation system 8, a tailing pond 9 and a water feeding pump 10.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the embodiments, but they are not intended to limit the present invention and are only examples. While the advantages of the invention will be apparent and readily appreciated by the description.
As shown in fig. 1, the system for implementing the magnetite screening method of the present invention includes a fine screening machine 1, a ball mill 2, an elutriation magnetic separator 3, a filter 4, a thickener 5, a magnetic separator 6 and a conveyor 7; the fine screening machine 1 is provided with an inlet 1.1 for inputting demagnetized ores, a residual material outlet 1.2 of the fine screening machine 1 is connected with an inlet of the ball mill 2, a coarse concentrate outlet 1.3 of the fine screening machine 1 is connected with a coarse concentrate inlet 3.1 of the elutriation magnetic separator 3, a discharge port 3.2 of the elutriation magnetic separator 3 is connected with a feeding port 4.1 of the filter 4, an overflow outlet 3.3 of the elutriation magnetic separator 3 is connected with an overflow inlet 5.1 of the thickener 5, and a water inlet 3.4 of the elutriation magnetic separator 3 is connected with an external water source through a water feeding pump 10; the feed pump is preferably a 16SA-9 type double suction centrifugal pump. A liquid outlet 4.2 of the filter 4 is connected with a feed inlet 6.1 of the magnetic separator 6, and an iron ore concentrate outlet 4.3 of the filter 4 is connected with a conveyor 7; an ore outlet 6.2 of the magnetic separator 6 is connected with an inlet 1.1 of the fine screening machine 1, and a tailing outlet 6.3 of the magnetic separator 6 is connected with a flotation system 8; a concentration overflow outlet 5.2 of the thickener 5 is connected with a water inlet 3.4 of the elutriation magnetic separator 3, and a concentration underflow outlet 5.3 of the thickener 5 is connected with a tailings pond 9.
The invention relates to a magnetite sorting method, which comprises the following steps:
1) performing fine screening treatment on the demagnetized ores after the demagnetizing treatment to obtain rough concentrate and excess materials, performing ball milling treatment on the obtained excess materials, performing demagnetizing treatment on the excess materials after the ball milling treatment, and then sending the excess materials into the fine screening treatment; the demagnetizing treatment comprises two-stage grinding classification and three-stage magnetic separation treatment, wherein the coarse concentrate with the fineness of 0.074mm accounts for more than 88 percent;
2) elutriating the coarse concentrate obtained in the step 1) to obtain elutriated iron concentrate and elutriated overflow;
3) filtering the elutriated iron ore concentrate obtained in the step 2) to obtain filtered overflow and finished iron ore concentrate, and conveying the finished iron ore concentrate to an iron ore concentrate warehouse through a conveyor, wherein the water content of the finished iron ore concentrate is less than or equal to 10%, the iron content is more than or equal to 65%, and the sulfur content is less than or equal to 0.5%; concentrating the elutriation overflow obtained in the step 2) to obtain a concentration overflow and a concentration underflow, wherein the mass concentration of the concentration underflow is 25-30%;
4) performing magnetic separation treatment on the filtering overflow obtained in the step 3) to obtain magnetic separation iron concentrate and tailings, wherein the iron content of the magnetic separation iron concentrate is more than or equal to 62%; taking the concentrated overflow obtained in the step 3) as the elutriation treatment circulating feed water, and sending the concentrated underflow into a tailing pond;
5) sending the magnetic separation iron concentrate obtained in the step 4) into the step 1) and then carrying out fine screening treatment, and sending the tailings obtained in the step 4) into a flotation system.
The method is applied to the implementation of the Jinshan shop ore, the grade of the iron ore concentrate is improved from 63.5 percent to 65.24 percent, and the sulfur content is reduced from 0.6 percent to 0.48 percent.
The above description is only an embodiment of the present invention, and it should be noted that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention, and the rest that is not described in detail is the prior art.
Claims (9)
1. A magnetite grading method is characterized in that: the method comprises the following steps:
1) performing fine screening treatment on the demagnetized ore after the demagnetizing treatment to obtain rough concentrate and excess material, and performing ball milling treatment on the obtained excess material;
2) elutriating the coarse concentrate obtained in the step 1) to obtain elutriated iron concentrate and elutriated overflow;
3) filtering the elutriation iron concentrate obtained in the step 2) to obtain filtering overflow and finished product iron concentrate; concentrating the elutriation overflow obtained in the step 2) to obtain a concentrated overflow and a concentrated underflow;
4) carrying out magnetic separation treatment on the filtering overflow obtained in the step 3) to obtain magnetic separation iron concentrate and tailings; taking the concentrated overflow obtained in the step 3) as the elutriation treatment circulating feed water, and sending the concentrated underflow into a tailing pond;
5) sending the magnetic separation iron concentrate obtained in the step 4) into the step 1) and then carrying out fine screening treatment, and sending the tailings obtained in the step 4) into a flotation system.
2. A method of sorting magnetite according to claim 1, characterised in that: in the step 1), the coarse concentrate with the fineness of 0.074mm accounts for more than 88%.
3. A method of sorting magnetite according to claim 1, characterised in that: in the step 1), the residual material after ball milling is demagnetized and then sent to a fine sieve for treatment.
4. A method of sorting magnetite according to claim 1, characterised in that: in the step 3), the water content of the finished iron ore concentrate is less than or equal to 10%.
5. A method of sorting magnetite according to claim 1, characterised in that: in the step 3), the iron content of the finished product iron ore concentrate is more than or equal to 65 percent, and the sulfur content is less than or equal to 0.5 percent.
6. A method of sorting magnetite according to claim 1, characterised in that: and in the step 3), the finished product iron ore concentrate is conveyed to an iron ore concentrate warehouse through a conveyor.
7. A method of sorting magnetite according to claim 1, characterised in that: in the step 3), the mass concentration of the concentrated underflow is 25-30%.
8. A method of sorting magnetite according to claim 1, characterised in that: in the step 4), the iron content of the magnetic separation iron concentrate is more than or equal to 62%.
9. A system for carrying out a method of beneficiation of magnetite according to any one of claims 1 to 8, characterized in that: comprises a fine screening machine (1), a ball mill (2), an elutriation magnetic separator (3), a filter (4), a thickener (5), a magnetic separator (6) and a conveyor (7);
the fine screening machine (1) is provided with an inlet (1.1) for inputting demagnetized ores, a residual material outlet (1.2) of the fine screening machine (1) is connected with an inlet of the ball mill (2), a coarse concentrate outlet (1.3) of the fine screening machine (1) is connected with a coarse concentrate inlet (3.1) of the elutriation magnetic separator (3), a discharge port (3.2) of the elutriation magnetic separator (3) is connected with a feeding port (4.1) of the filter (4), an overflow outlet (3.3) of the elutriation magnetic separator (3) is connected with an overflow inlet (5.1) of the concentrator (5), and a water inlet (3.4) of the elutriation magnetic separator (3) is connected with an external water source through a water feeding pump (10);
a liquid outlet (4.2) of the filter (4) is connected with a feed inlet (6.1) of the magnetic separator (6), and an iron concentrate outlet (4.3) of the filter (4) is connected with the conveyor (7); an ore outlet (6.2) of the magnetic separator (6) is connected with an inlet (1.1) of the fine screening machine (1), and a tailing outlet (6.3) of the magnetic separator (6) is connected with a flotation system (8); and a concentration overflow outlet (5.2) of the concentrator (5) is connected with a water inlet (3.4) of the elutriation magnetic separator (3), and a concentration underflow outlet (5.3) of the concentrator (5) is connected with a tailings pond (9).
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| CN202010817752.2A CN112076890B (en) | 2020-08-14 | 2020-08-14 | Magnetite sorting method and system |
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| CN202010817752.2A CN112076890B (en) | 2020-08-14 | 2020-08-14 | Magnetite sorting method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113385299A (en) * | 2021-05-28 | 2021-09-14 | 鞍钢集团矿业有限公司 | Magnetic-gravity-magnetic combined ore dressing process for treating lean magnetite ore |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2149699C1 (en) * | 1998-07-29 | 2000-05-27 | Горный институт Кольского научного центра РАН | Method of magnetite ores concentration |
| US20040045635A1 (en) * | 2002-09-09 | 2004-03-11 | General Electric Company | Polymeric resin bonded magnets |
| RU2007114007A (en) * | 2007-04-04 | 2008-10-10 | Совместное предпри тие в форме закрытого акционерного общества "Изготовление, внедрение, сервис" (RU) | METHOD OF FLOTATION TREATMENT OF MAGNETITE CONCENTRATES |
| CN102000630A (en) * | 2010-12-13 | 2011-04-06 | 长沙有色冶金设计研究院 | Technology for preparing iron ore concentrate |
| CN102716793A (en) * | 2012-06-07 | 2012-10-10 | 鞍山市华冶矿山设备制造有限公司 | Method and system for producing ultra-pure powdered iron |
| CN108816497A (en) * | 2018-06-15 | 2018-11-16 | 魏建民 | Magnetite beneficiation process |
| CN108855584A (en) * | 2018-06-28 | 2018-11-23 | 马钢集团设计研究院有限责任公司 | A kind of difficulty selects the ore-dressing technique of producing high-quality iron ore concentrate by low-grade magnetic iron ore |
| CN108970800A (en) * | 2018-06-28 | 2018-12-11 | 马钢集团设计研究院有限责任公司 | The ore-dressing technique of dioxide-containing silica in a kind of reduction iron ore concentrate |
| CN109351466A (en) * | 2018-09-20 | 2019-02-19 | 鞍钢集团矿业有限公司 | A kind of beneficiation new process handling magnetic iron ore |
| CN111151370A (en) * | 2020-01-13 | 2020-05-15 | 周伟永 | Production method of high-quality ultra-pure fine iron powder |
-
2020
- 2020-08-14 CN CN202010817752.2A patent/CN112076890B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2149699C1 (en) * | 1998-07-29 | 2000-05-27 | Горный институт Кольского научного центра РАН | Method of magnetite ores concentration |
| US20040045635A1 (en) * | 2002-09-09 | 2004-03-11 | General Electric Company | Polymeric resin bonded magnets |
| RU2007114007A (en) * | 2007-04-04 | 2008-10-10 | Совместное предпри тие в форме закрытого акционерного общества "Изготовление, внедрение, сервис" (RU) | METHOD OF FLOTATION TREATMENT OF MAGNETITE CONCENTRATES |
| CN102000630A (en) * | 2010-12-13 | 2011-04-06 | 长沙有色冶金设计研究院 | Technology for preparing iron ore concentrate |
| CN102716793A (en) * | 2012-06-07 | 2012-10-10 | 鞍山市华冶矿山设备制造有限公司 | Method and system for producing ultra-pure powdered iron |
| CN108816497A (en) * | 2018-06-15 | 2018-11-16 | 魏建民 | Magnetite beneficiation process |
| CN108855584A (en) * | 2018-06-28 | 2018-11-23 | 马钢集团设计研究院有限责任公司 | A kind of difficulty selects the ore-dressing technique of producing high-quality iron ore concentrate by low-grade magnetic iron ore |
| CN108970800A (en) * | 2018-06-28 | 2018-12-11 | 马钢集团设计研究院有限责任公司 | The ore-dressing technique of dioxide-containing silica in a kind of reduction iron ore concentrate |
| CN109351466A (en) * | 2018-09-20 | 2019-02-19 | 鞍钢集团矿业有限公司 | A kind of beneficiation new process handling magnetic iron ore |
| CN111151370A (en) * | 2020-01-13 | 2020-05-15 | 周伟永 | Production method of high-quality ultra-pure fine iron powder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113385299A (en) * | 2021-05-28 | 2021-09-14 | 鞍钢集团矿业有限公司 | Magnetic-gravity-magnetic combined ore dressing process for treating lean magnetite ore |
| CN113385299B (en) * | 2021-05-28 | 2022-06-14 | 鞍钢集团矿业有限公司 | Magnetic-gravity-magnetic combined ore dressing process for treating lean magnetite ore |
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| CN112076890B (en) | 2022-06-24 |
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