CN106694210A - Permanent-magnet disc type high-intensity magnetic separator magnetism coefficient value analyzing and sorting method - Google Patents
Permanent-magnet disc type high-intensity magnetic separator magnetism coefficient value analyzing and sorting method Download PDFInfo
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- CN106694210A CN106694210A CN201510771002.5A CN201510771002A CN106694210A CN 106694210 A CN106694210 A CN 106694210A CN 201510771002 A CN201510771002 A CN 201510771002A CN 106694210 A CN106694210 A CN 106694210A
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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Abstract
The invention discloses a permanent-magnet disc type high-intensity magnetic separator magnetism coefficient value analyzing and sorting method. The method comprises the following steps that 1, a mathematical model for separating space magnetic field intensity is built by analyzing a permanent-magnet disc type high-intensity magnetic separator magnetic system structure and magnetic field characteristics; 2, the mathematical model built in the step 1 is subjected to numerical analysis through MATLAB, and an experimental prototype is manufactured and subjected to basic testing; and 3, the experimental prototype is subjected to nonmetal iron removal effect testing through an iron removal test for potassium feldspar. According to the permanent-magnet disc type high-intensity magnetic separator magnetism coefficient value analyzing and sorting method, through the MATLAB, magnetic system and magnetic field numerical analysis is conducted, serialized and standardized design of key structure parameters is conducted, and a novel permanent-magnet disc type high-intensity magnetic separator which is high in magnetic field intensity, stable in magnetic performance, reasonable in structure, small in size and weight, simple and easy to operate and convenient to install and maintain is designed.
Description
Technical field
The present invention relates to a kind of magnetic separator dressing method, and in particular to a kind of permanent-magnet disk intensity magnetic separator magnetic coefficient value analysis and dressing method, belong to magnetic separator equipment technical field.
Background technology
Iron is the most metal of consumption in the world, steel and iron industry occupies critical role in the national economy of various countries, therefore iron ore resource is substantially effectively developed, for the continual and steady development of China's steel and iron industry provides the important leverage that stable, enough, high-quality iron ore raw material is China's steel and iron industry sustainable development；China's iron ore resource major part is lean ore, disseminated grain size is thin, complicated difficult ore dressing is more, the rich ore of iron content more than 50% only accounts for 5.7%, lean ore accounts for 94.3%, chromium depleted zone could be smelted after having to pass through ore dressing, with the development and the continuous progress of science and technology of society, application of the nonmetallic ore in national economy is more and more extensive, demand to nonmetallic ore material is increasing, the quality requirement of nonmetallic ore also more and more higher, for most of nonmetal mineral products, ferrous contaminants are that its is main while being also most harmful impurity composition, in some industries such as glass, ceramic raw material, the application fields such as refractory material, carrying out iron removing and impurity reducing to raw mineral materials has turned into necessary technological requirement；Magnetic separation is different minerals is realized a kind of separate beneficiation method using the magnetic contrast between mineral in non-uniform magnetic field; magnetic method is widely used in recovery, the nonmetallic ore raw material of medium in the sorting of ferrous metal ore, coloured and rare metal ore selected, heavymedia separation except iron and discharge iron thing protection disintegrating machine and other equipment, steel scrap is reclaimed from the slag of production is smelted and pollutant etc. is removed from production and sanitary sewage.
The content of the invention
（One）The technical problem to be solved
To solve the above problems, the present invention proposes a kind of permanent-magnet disk intensity magnetic separator magnetic coefficient value analysis and dressing method, and magnetic system numerical field analysis are carried out with MATLAB, carries out seriation, the standardized designs of key structural parameters；Design that magnetic field intensity is high, magnetic property is stable, rational in infrastructure, small volume, lightweight, operation is simple, novel permanent magnetic disc type intensity magnetic separator convenient to install and maintain.
（Two）Technical scheme
Permanent-magnet disk intensity magnetic separator magnetic coefficient value analysis of the invention and dressing method, comprise the following steps：
The first step：By the analysis to permanent-magnet disk intensity magnetic separator magnetic architecture and magnetic signature, sorting space magnetic field intensity Mathematical Modeling is set up；
Second step：Numerical analysis analysis is carried out to the Mathematical Modeling set up in the first step using MATLAB, and produce experimental prototype, and basic test is carried out to experimental prototype, test result shows that the tooth angle β when magnet separator magnetic system is 90 °, space width S is when to be 2.4cm, disk spacing L be 12mm, and sorting space magnetic field intensity can reach more than 2.0 T；
3rd step：By the way that to potassium feldspar, except iron tests carries out nonmetallic de-ferrous effect test to experimental prototype, research shows, to nonmetallic de-ferrous effect significantly, the concentrate index after sorting is preferable, Fe in potassium feldspar for the magnetic separator2O3Content drops to 0.17% by 0.52%, has reached the requirement to potassium feldspar concentrate iron content in industrial production, demonstrates the reasonability of the structure of the strong permanent-magnet separator.
（Three）Beneficial effect
Compared with prior art, permanent-magnet disk intensity magnetic separator magnetic coefficient value analysis of the invention and dressing method, magnetic system numerical field analysis are carried out with MATLAB, carry out seriation, the standardized designs of key structural parameters；Design that magnetic field intensity is high, magnetic property is stable, rational in infrastructure, small volume, lightweight, operation is simple, novel permanent magnetic disc type intensity magnetic separator convenient to install and maintain.
Specific embodiment
A kind of permanent-magnet disk intensity magnetic separator magnetic coefficient value analysis and dressing method, comprise the following steps：
The first step：By the analysis to permanent-magnet disk intensity magnetic separator magnetic architecture and magnetic signature, sorting space magnetic field intensity Mathematical Modeling is set up；
Second step：Numerical analysis analysis is carried out to the Mathematical Modeling set up in the first step using MATLAB, and produce experimental prototype, and basic test is carried out to experimental prototype, test result shows that the tooth angle β when magnet separator magnetic system is 90 °, space width S is when to be 2.4cm, disk spacing L be 12mm, and sorting space magnetic field intensity can reach more than 2.0 T；
3rd step：By the way that to potassium feldspar, except iron tests carries out nonmetallic de-ferrous effect test to experimental prototype, research shows, to nonmetallic de-ferrous effect significantly, the concentrate index after sorting is preferable, Fe in potassium feldspar for the magnetic separator2O3Content drops to 0.17% by 0.52%, has reached the requirement to potassium feldspar concentrate iron content in industrial production, demonstrates the reasonability of the structure of the strong permanent-magnet separator.
Magnetic system numerical field analysis are carried out with MATLAB, seriation, the standardized designs of key structural parameters are carried out；Design that magnetic field intensity is high, magnetic property is stable, rational in infrastructure, small volume, lightweight, operation is simple, novel permanent magnetic disc type intensity magnetic separator convenient to install and maintain；Because permanent magnet magnetic system need not consume electric energy, so the machine and electromagnetism wet strong magnetic field magnetic separator ratio, are conducive to energy saving, the permanent-magnet disk intensity magnetic separator has economic worth and the value of environmental protection higher, with good application prospect.
Embodiment described above is only that the preferred embodiment of the present invention is described, and not the spirit and scope of the present invention are defined.On the premise of design concept of the present invention is not departed from; the all variations and modifications that this area ordinary person makes to technical scheme; protection scope of the present invention all should be dropped into, claimed technology contents of the invention have all been recorded in detail in the claims.
Claims (1)
1. a kind of permanent-magnet disk intensity magnetic separator magnetic coefficient value is analyzed and dressing method, it is characterised in that：Comprise the following steps：
The first step：By the analysis to permanent-magnet disk intensity magnetic separator magnetic architecture and magnetic signature, sorting space magnetic field intensity Mathematical Modeling is set up；
Second step：Numerical analysis analysis is carried out to the Mathematical Modeling set up in the first step using MATLAB, and produces experimental prototype, and basic test is carried out to experimental prototype；
3rd step：By to potassium feldspar except iron tests carries out nonmetallic de-ferrous effect test to experimental prototype.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771002.5A CN106694210A (en) | 2015-11-12 | 2015-11-12 | Permanent-magnet disc type high-intensity magnetic separator magnetism coefficient value analyzing and sorting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510771002.5A CN106694210A (en) | 2015-11-12 | 2015-11-12 | Permanent-magnet disc type high-intensity magnetic separator magnetism coefficient value analyzing and sorting method |
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| CN106694210A true CN106694210A (en) | 2017-05-24 |
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| CN201510771002.5A Pending CN106694210A (en) | 2015-11-12 | 2015-11-12 | Permanent-magnet disc type high-intensity magnetic separator magnetism coefficient value analyzing and sorting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295732A (en) * | 2020-09-27 | 2021-02-02 | 国家能源集团国源电力有限公司 | Method and device for sorting magnetite powder and electronic equipment |
-
2015
- 2015-11-12 CN CN201510771002.5A patent/CN106694210A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295732A (en) * | 2020-09-27 | 2021-02-02 | 国家能源集团国源电力有限公司 | Method and device for sorting magnetite powder and electronic equipment |
| CN112295732B (en) * | 2020-09-27 | 2022-11-25 | 国家能源集团国源电力有限公司 | Method and device for sorting magnetite powder and electronic equipment |
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Application publication date: 20170524 |