CN101954311A - Iron ore dry powder magnetic separation technology and equipment - Google Patents
Iron ore dry powder magnetic separation technology and equipment Download PDFInfo
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- CN101954311A CN101954311A CN2009100748929A CN200910074892A CN101954311A CN 101954311 A CN101954311 A CN 101954311A CN 2009100748929 A CN2009100748929 A CN 2009100748929A CN 200910074892 A CN200910074892 A CN 200910074892A CN 101954311 A CN101954311 A CN 101954311A
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Abstract
The invention discloses iron ore dry powder magnetic separation technology and iron ore dry powder magnetic separation equipment. The technology comprises the following technological steps of: a, crushing ore into the diameter Phi of 30 to 40mm by using a jaw crusher; b, milling the prepared ore into the size of 100 meshes through a centrifugal vibration mill so as to decompose raw ore powder granules; and c, separating iron concentrate powder by using an iron ore dry powder magnetic separator, wherein the dry powder magnetic separator is provided with a plurality of magnetic separation devices connected in turn on a frame; each magnetic separation device comprises a magnetic separation roller and a material flow plate, wherein the magnetic separation roller is provided with a fixed shaft on the frame; a roller is connected to the fixed shaft through a bearing; an electromagnet of which the cross section is fan-shaped is axially arranged on the fixed shaft inside the roller; the electromagnet is electrically connected with the roller and a controller; an axial convex rib is arranged on the surface of the roller; the material flow plate is an arc-shaped plate, is arranged outside the roller and is opposite to the electromagnet; a feed baffle is arranged at the top end of the material flow plate; and an iron powder discharging belt is arranged below the magnetic separation roller.
Description
Technical field
The present invention relates to a kind of iron ore separation method and equipment, specifically a kind of iron ore dry powder magnetic separation process and equipment.
Background technology
In the existing iron ore wet separation technology, though wet magnetic separation can reach specification requirement, the place that it requires factory to be based upon to have abundant water resources, and, then can't use wet magnetic separation to obtain the smart powder of high-precision iron for the mine district of lack of water.
Summary of the invention
Purpose of the present invention will provide a kind of iron ore dry powder magnetic separation process exactly, to use in mining area, no water source, obtains grade up to the smart powder of 66% qualified iron.
Another object of the present invention will provide a kind of iron ore dry powder magnetic separator exactly, to solve the difficult problem of drought and water shortage area development of mines.
The present invention is achieved in that
Iron ore dry powder magnetic separation process of the present invention may further comprise the steps:
A. utilize jaw crusher that ore reduction to diameter is Φ 30～40mm;
B. the gained ore is ground to 100 orders through centrifugal vibromill, adhesion ore deposit mineral powder granular is disintegrated;
C. utilize iron ore dry powder magnetic separator to select the smart powder of iron; Described dry powder magnetic separator is that frame is provided with some concentration equipments that join in regular turn; Described concentration equipment comprises magnetic separation roller and logistics plate; Described magnetic separation roller is that frame is provided with dead axle, is connected to cylinder by bearing on dead axle, and being provided with the cross section on the dead axle in cylinder vertically is fan-shaped electromagnet, and electromagnet and cylinder are electrically connected with controller; Be provided with axial fin at cylinder surface; Described logistics plate is an arc, is arranged on the cylinder outside, and is relative with described electromagnet, is provided with the charging baffle plate on described logistics plate top; Below described magnetic separation roller, be provided with iron powder and go out strip.
In the technology of the present invention, the ore reduction technology of the first step is same as the prior art.
Second step of technology of the present invention adopts centrifugal vibromill with ore grinding to 100 order, thereby can realize peeling off of intergrowth.Centrifugal vibromill need not water during to ore grinding, with respect to the ball mill that needs big water consumption, can save great lot of water resources.And, adopting anhydrous grinding, resulting ore in sand form is loose, NA anhydrous dry powder ore in sand form, has created advantage for realizing next step dry magnetic separation.
The 3rd step of technology of the present invention adopts iron ore dry powder magnetic separator to carry out the iron powder magnetic separation, because the electromagnet of this magnetic separator can be regulated and control the magnetic field power by controller, therefore, magnetic field intensity can satisfy it fully all can realize requirement to iron powder absorption to various breezes of different nature under contactless state.The logistics plate of iron ore dry powder magnetic separator of the present invention setting is an arc, be arranged on the cylinder outside, relative with described electromagnet, this arcuation logistics plate can make the breeze and the electromagnet that flow through that more closely adsorption time is arranged, thereby has improved the absorption property of this magnetic separator.
Iron ore dry powder magnetic separator of the present invention comprises the level Four concentration equipment that sets gradually, and can obtain grade up to the smart powder of 66% qualified iron, and the rate of recovery is increased to more than 80%.
Iron ore dry powder magnetic separator of the present invention is that frame is provided with some concentration equipments that join in regular turn; Described concentration equipment comprises magnetic separation roller and logistics plate; Described magnetic separation roller is that frame is provided with dead axle, is connected to cylinder by bearing on dead axle, and it is fan-shaped electromagnet that the dead axle in the cylinder is provided with the cross section, and electromagnet is electrically connected with controller; Be provided with axial fin at cylinder surface; Described logistics plate is an arc, is arranged on the cylinder outside, and is relative with described electromagnet, is provided with the charging baffle plate on described logistics plate top; Below described magnetic separation roller, be provided with iron powder and go out strip.
Adding has been milled to 100 purpose iron ore dry powder to iron ore dry powder magnetic separator of the present invention from logistics plate top, and the charging baffle plate that is provided with on logistics plate top can guarantee that Iron Ore Powder can not fall within on the cylinder of magnetic separator.Last step supplied materials is a dry powder, have loose, NA characteristics, in the process of hanging, iron powder in the Iron Ore Powder is adsorbed between the fin of cylinder surface and rotation thereupon by the magnetic field that electromagnet produced, when going to the below, iron powder falls under the gravity effect, goes out strip via the iron powder below the magnetic separation roller and sends.In the process that Iron Ore Powder hangs downwards, useless husky because not adsorbed by magnetic force, directly fall and, enter the next stage concentration equipment along under the logistics plate current, begin next magnetic separation process.
Description of drawings
Fig. 1 is the structural representation of iron ore dry powder magnetic separator of the present invention.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing.
Embodiment
A. utilize jaw crusher that ore reduction to diameter is Φ 30～40mm;
B. be that the centrifugal vibromill of 2MGZ450 is ground to 100 orders with the gained ore through model, make adhesion ore deposit mineral powder granular disintegrate, peel off;
C. utilize iron ore dry powder magnetic separator to select the smart powder of iron.As shown in Figure 1, described dry powder magnetic separator is that frame is provided with the concentration equipment that level Four is joined in regular turn; Described concentration equipment comprises magnetic separation roller and logistics plate; Described magnetic separation roller is that frame is provided with dead axle 4, is connected to cylinder 5 by bearing on dead axle 4, and being provided with the cross section on the dead axle in cylinder vertically is fan-shaped electromagnet 3, and electromagnet and cylinder are electrically connected with controller; Cylinder is by the actuating unit driven rotary.The rotary speed of cylinders at different levels should be regulated and control respectively, is fit to ore in sand form of different nature thereby match with the magnetic field intensity with each magnetic separation roller.Be evenly equipped with axial fin 51 on cylinder 5 surfaces; Described logistics plate 2 is an arc, is arranged on the cylinder outside, and is relative with described electromagnet 3, is provided with charging baffle plate 1 on described logistics plate top; Below described magnetic separation roller, be provided with iron powder and go out strip 6.
When using magnetic separator to carry out magnetic separation, Iron Ore Powder is injected from logistics plate top, and charging baffle plate 1 can guarantee that Iron Ore Powder can directly not fall within on the cylinder 5, in order to avoid reduce the grade of iron powder.In the Iron Ore Powder dropping process, iron powder is drawn to cylinder surface by the magnetic field that electromagnet produces, and falls within iron powder under in the cylinder rotation process to go out on the strip.The Iron Ore Powder that is not adsorbed then flows into the next stage concentration equipment via logistics plate 2, carries out the next stage magnetic separation.Through after the continuous level Four magnetic separation, Iron Ore Powder iron powder select step by step, remaining tail sand goes out through afterbody logistics plate current.After collecting, this dry powder shape tail sand can be used for making non-burning brick, also can be used for recovering landforms.
Claims (4)
1. iron ore dry powder magnetic separation process is characterized in that may further comprise the steps:
A. utilize jaw crusher that ore reduction to diameter is Φ 30～40mm;
B. the gained ore is ground to 100 orders through centrifugal vibromill, adhesion ore deposit mineral powder granular is disintegrated;
C. utilize iron ore dry powder magnetic separator to select the smart powder of iron; Described dry powder magnetic separator is that frame is provided with some concentration equipments that join in regular turn; Described concentration equipment comprises magnetic separation roller and logistics plate; Described magnetic separation roller is that frame is provided with dead axle (4), goes up at dead axle (4) and is connected to cylinder (5) by bearing, and being provided with the cross section on the dead axle in cylinder vertically is fan-shaped electromagnet (3), and electromagnet and cylinder are electrically connected with controller; Be provided with axial fin (51) on cylinder (5) surface; Described logistics plate (2) is an arc, is arranged on the cylinder outside, and is relative with described electromagnet (3), is provided with charging baffle plate (1) on described logistics plate top; Below described magnetic separation roller, be provided with iron powder and go out strip (6).
2. iron ore dry powder magnetic separation process according to claim 1 is characterized in that described iron ore dry powder magnetic separator comprises the concentration equipment that level Four is joined in regular turn.
3. an iron ore dry powder magnetic separator is characterized in that frame is provided with some concentration equipments that join in regular turn; Described concentration equipment comprises magnetic separation roller and logistics plate; Described magnetic separation roller is that frame is provided with dead axle (4), goes up at dead axle (4) and is connected to cylinder (5) by bearing, and being provided with the cross section on the dead axle in cylinder vertically is fan-shaped electromagnet (3), and electromagnet and cylinder are electrically connected with controller; Be provided with axial fin (51) on cylinder (5) surface; Described logistics plate (2) is an arc, is arranged on the cylinder outside, and is relative with described electromagnet (3), is provided with charging baffle plate (1) on described logistics plate top; Below described magnetic separation roller, be provided with iron powder and go out strip (6).
4. iron ore dry powder magnetic separator according to claim 3 is characterized in that the concentration equipment that comprises that level Four is joined in regular turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100748929A CN101954311B (en) | 2009-07-16 | 2009-07-16 | Iron ore dry powder magnetic separation technology and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100748929A CN101954311B (en) | 2009-07-16 | 2009-07-16 | Iron ore dry powder magnetic separation technology and equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN101954311A true CN101954311A (en) | 2011-01-26 |
| CN101954311B CN101954311B (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100748929A Expired - Fee Related CN101954311B (en) | 2009-07-16 | 2009-07-16 | Iron ore dry powder magnetic separation technology and equipment |
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| CN (1) | CN101954311B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103599848A (en) * | 2013-11-01 | 2014-02-26 | 灌阳县鸿运矿山设备有限公司 | Barrel-type four-roll-type permanent magnetic separator |
| CN104001620A (en) * | 2014-05-21 | 2014-08-27 | 陕西大山机械有限公司 | Magnetite concentrate grade improving machine |
| CN112934322A (en) * | 2021-01-21 | 2021-06-11 | 马松军 | Garbage disposal and utilization device for building with automatic extrusion detection and recovery structure |
| CN113967536A (en) * | 2021-12-25 | 2022-01-25 | 潍坊天洁环保科技有限公司 | Iron ore production magnetism screening plant |
| CN117046869A (en) * | 2023-09-15 | 2023-11-14 | 淮安锦致电路科技有限公司 | Waste material processing apparatus is used in PCB circuit board processing |
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| CN104984824B (en) * | 2015-06-03 | 2018-02-09 | 张天昊 | A kind of method for grinding magnetic separation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286074Y (en) * | 1996-08-28 | 1998-07-15 | 河南省科冠磁性材料股份有限公司 | Drum-type magnetic separator |
| US6412643B1 (en) * | 2001-02-21 | 2002-07-02 | Robert T. Wysolmierski | Ferrous particle magnetic removal and collection apparatus |
| CN101417263B (en) * | 2008-11-13 | 2011-05-04 | 方学军 | Fluid deferrization method and device |
| CN101402070B (en) * | 2008-11-13 | 2010-08-11 | 方学军 | Vertical fluid deferrization method and device |
| CN201454683U (en) * | 2009-07-16 | 2010-05-12 | 吴跃进 | Magnetic separator for iron-ore dry powder |
-
2009
- 2009-07-16 CN CN2009100748929A patent/CN101954311B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103599848A (en) * | 2013-11-01 | 2014-02-26 | 灌阳县鸿运矿山设备有限公司 | Barrel-type four-roll-type permanent magnetic separator |
| CN104001620A (en) * | 2014-05-21 | 2014-08-27 | 陕西大山机械有限公司 | Magnetite concentrate grade improving machine |
| CN104001620B (en) * | 2014-05-21 | 2016-06-29 | 陕西大山机械有限公司 | Fine powder of magnetite grade elevator |
| CN112934322A (en) * | 2021-01-21 | 2021-06-11 | 马松军 | Garbage disposal and utilization device for building with automatic extrusion detection and recovery structure |
| CN113967536A (en) * | 2021-12-25 | 2022-01-25 | 潍坊天洁环保科技有限公司 | Iron ore production magnetism screening plant |
| CN117046869A (en) * | 2023-09-15 | 2023-11-14 | 淮安锦致电路科技有限公司 | Waste material processing apparatus is used in PCB circuit board processing |
| CN117046869B (en) * | 2023-09-15 | 2024-04-12 | 淮安锦致电路科技有限公司 | Waste material processing apparatus is used in PCB circuit board processing |
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| Publication number | Publication date |
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| CN101954311B (en) | 2011-12-21 |
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