CN102728461B - Micro powder fine powder dry-type magnet separator - Google Patents
Micro powder fine powder dry-type magnet separator Download PDFInfo
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- CN102728461B CN102728461B CN201210204646.2A CN201210204646A CN102728461B CN 102728461 B CN102728461 B CN 102728461B CN 201210204646 A CN201210204646 A CN 201210204646A CN 102728461 B CN102728461 B CN 102728461B
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Abstract
The invention discloses a micro powder fine powder dry-type magnet separator. The dry-type magnet separator comprises a magnet separator main body. The magnet separator main body comprises an air inlet pipe, a non-magnetic-conductive air pipe, an air outlet pipe, a magnetic system, and an ore discharging pipe. The air inlet pipe communicates with one end of the non-magnetic-conductive air pipe. The other end of the non-magnetic-conductive air pipe communicates with the air outlet pipe. The ore discharging pipe is arranged below the non-magnetic-conductive air pipe. One end of the ore discharging pipe communicates with the non-magnetic-conductive air pipe. The magnetic system is arranged on the outer side of the non-magnetic-conductive air pipe. With the dry-type magnet separator, micro powder and fine powder can be processed continuously, and no subsequent equipment is needed. The energy consumption of the whole magnet separator is low. The ore recovery rate after magnet separator is high, and the sorting purity is high. No pollution is caused during the separation process and after separation, such that the separation process and the post-separation process are environment-friendly. Specifically, the dry-type magnet separator provided by the invention can carry out rapid, sufficient, and comprehensive separation. The treatment amount is large, the sorting efficiency is high, the iron ore grade is high, and the energy consumption is low. No water is needed in the whole process, such that water pollution is avoided. Tailings are collected by a dust collector, and are discharged, such that no air pollution is caused.
Description
Technical field
The present invention relates to a kind of micro mist and fine powder dry-type magnetic extractor, belong to magnetic separator technical field.
Background technology
In the ore dressing field such as metallurgy, mine, need to sort magnetic material, such as iron ore is sorted.The feature of China's iron ore is " poor, thin, assorted ", and most of iron ore is all in the area of drought, high with water cost; And mineral disseminated grain size is thin, ore grinding cost is large.Adopt wet separation may realize hardly, because under the thin grind grading prerequisite of wet type, produce a large amount of microfine, the specific area of particle significantly increases, cause the difficulty of the product dehydrate after wet separation, and the moisture content of magnetic product is higher, needs extra oven dry operation, will cost be increased like this.
The dry wet process combined of normal employing at present carrys out ore dressing, it is specially: first roughly select by dry method, and roughly select due to conventional dry and can produce a large amount of being mingled with and parcel, material grade does not reach requirement, so must carry out wet split to it again, and wet separation need use mass energy and water resource; In addition, remain large quantity of moisture in mine tailing, its storage is needed to the expense of Gao Mao and bears great environmental protection risk, therefore, existing dry wetting can not meet need of production in conjunction with method for separating.
In addition, for the sorting avoiding aqueous substance, such as iron-bearing mineral raw material adds various flux after high-temperature process, produces a large amount of hydraulic gelling materials and the stronger metallic iron of a large amount of magnetic and ferriferous oxide, must adopt dry type magnetic separation could by Armco magnetic iron material and hydraulic gelling separating substances.
Because the granularity of current dry-type magnetic extractor sorting is all comparatively thick, main gravity and the magnetic force of leaning on carries out sorting, and the micro mist that, specific area thin for particle is large and fine powder can not realize effective sorting.
Summary of the invention
The object of the invention is to: a kind of micro mist and fine powder dry-type magnetic extractor are provided, micro mist and fine powder magnetic material can be processed continuously, whole system energy consumption is low, mineral recovery rate after sorting is high, it is high to sort purity, environment friendly and pollution-free after assorting room and sorting, solving existing dry-type magnetic extractor can not the technical problem of effective sorting to micro mist and fine powder, thus can effectively solve above-mentioned problems of the prior art.
The object of the invention is realized by following technical proposals: a kind of micro mist and fine powder dry-type magnetic extractor, comprise magnetic separator main body, magnetic separator main body comprises blast pipe, non-magnetic airduct, discharge pipe, magnetic system, ore discharge pipe, described blast pipe is communicated with one end of non-magnetic airduct, the other end of non-magnetic airduct is communicated with discharge pipe, the below of non-magnetic airduct is located at by described ore discharge pipe and its one end is communicated with non-magnetic airduct, and described magnetic system is located at the outside of non-magnetic airduct.
Preferred as one, the magnetic field of described magnetic system is electromagnetism magnetic field.
Alternatively preferred, the magnetic field of described magnetic system is permanent magnetic field, is provided with magnetic system drive unit and is connected with magnetic system.
As the further selection of above-mentioned two kinds of preferred embodiments, the below of non-magnetic airduct and blast pipe junction is located at by ore discharge pipe.
Closer, also comprise deashing device, deashing device is positioned at below ore discharge pipe.
Closer, also comprise airlock, airlock is connected with ore discharge pipe or deashing device.
Preferred as a kind of arrangement mode, the discharge pipe of a magnetic separator main body connects with the blast pipe of another magnetic separator main body, forms cascaded structure.
Preferred as one, also comprise wind converging tube and point airduct, described wind converging tube connects with discharge pipe, and described point of airduct connects with blast pipe.
A nearlyer step preferred arrangement, several magnetic separator host matrix array arrangement, its blast pipe is connected on one point of airduct, and discharge pipe is connected on a wind converging tube.
Another preferred arrangement, several magnetic separator main body becomes circumferential arrangement, and its blast pipe is connected on one point of airduct, and discharge pipe is connected on a wind converging tube.
The effect of parts thereof of the present invention the following is:
Blast pipe: after roll-in sorting or the micro mist of a large amount of gases conveying prepared of other milling equipments and fine powder magnetic material enter the passage of this magnetic separator.
Non-magnetic airduct: material carries out the passage disperseing lower sorting.
Discharge pipe: mine tailing is transported to the passage of dust-precipitator by gas.
Magnetic system: magnetic field intensity can adjust, meets the sorting demand of different magnetic material, and electromagnetism magnetic system is realized by the break-make of electric energy, and permanent magnetic system is then realized the motion that magnetic system produces by magnetic system drive unit.
Magnetic system drive unit: change depth of interaction in non-magnetic airduct of the magnetic field intensity of magnetic system and site of action, can effectively magnetisable material be sorted and unload.
Ore discharge pipe: the passage that concentrate is discharged.
Deashing device: concentrate is carried out disperseing and the device that the lightweight fine particle wrapped up in concentrate is separated.
Airlock: lock wind is carried out to deashing device.
Compared with prior art, beneficial effect of the present invention: micro mist of the present invention and fine powder dry type magnetic separation function continuous print process micro mist and fine powder magnetic material, without the need to subsequent process equipment, the system energy consumption of whole magnetic separator is low, after magnetic separation, mineral recovery rate is high, to sort purity high, environment friendly and pollution-free after assorting room and sorting; Specifically, this dry-type magnetic extractor can carry out choosing fast, fully, comprehensively, and treating capacity is large, and sort efficiency high, iron ore is of high grade, and energy consumption is low, and whole process does not need, with water, not cause water pollutions completely, and mine tailing is outer row after deduster gathers dust, without atmosphere pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of magnetic separator main body of the present invention;
Fig. 2 is the side structure schematic diagram of magnetic separator main body of the present invention;
Fig. 3 is the schematic diagram of two magnetic separator main body series connection;
Fig. 4 is the structural representation after multiple magnetic separator main body connects point airduct and wind converging tube
Fig. 5 is the schematic diagram of matrix array of the present invention arrangement;
Fig. 6 is the schematic diagram of circumferential arrangement of the present invention.
Wherein: 1-blast pipe, the non-magnetic airduct of 2-, 3-discharge pipe, 4-magnetic system, 5-magnetic system drive unit, 6-ore discharge pipe, 7-deashing device, 8-airlock, 10-divides airduct, 11-wind converging tube.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
All features disclosed in this description, or the step in disclosed all methods or process, except the speciality mutually repelled and/or step, all can combine by any way, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object, namely, unless specifically stated otherwise, an embodiment in a series of equivalence of each feature or similar characteristics.
As shown in Figure 1 and Figure 2, micro mist of the present invention and fine powder dry-type magnetic extractor comprise magnetic separator main body, magnetic separator main body comprises blast pipe 1, non-magnetic airduct 2, discharge pipe 3, magnetic system 4, ore discharge pipe 6, described blast pipe 1 is communicated with one end of non-magnetic airduct 2, the other end of non-magnetic airduct 2 is communicated with discharge pipe 3, the below of non-magnetic airduct 2 is located at by described ore discharge pipe 6 and its one end is communicated with non-magnetic airduct 2, and described magnetic system 4 is located at the outside of non-magnetic airduct 2.
Also comprise deashing device 7 and airlock 8, be provided with protective cover at the skin of magnetic separator main body.Described blast pipe 1 is the air intake passage of this magnetic separator, and this intake stack has circle, rectangle or circle to become the various structures form such as square.Above-mentioned non-magnetic airduct 2 vertically or slant setting, can be rectangle or cylindrical or other multi-edge column-shapeds.The below of non-magnetic airduct 2 is located at by described ore discharge pipe 6 and its one end is communicated with non-magnetic airduct 2, specifically, the below of non-magnetic airduct 2 and blast pipe 1 junction is located at by ore discharge pipe 6, and the other end of ore discharge pipe 6 is communicated with deashing device 7, and deashing device 7 is communicated with airlock 8.The magnetic field of described magnetic system 4 is electromagnetism magnetic field or is permanent magnetic field, and when magnetic is permanent magnetic field, being also provided with magnetic system drive unit with magnetic system is connected, and described magnetic system 4 is symmetrically arranged or single-sided arrangement.
embodiment 1:
As shown in Figure 3, the discharge pipe 3 of a magnetic separator main body connects with the blast pipe 1 of another magnetic separator main body, forms cascaded structure.Multiple magnetic separator main body can connect, form multiple magnetic separation, obtain better magnetic separation effect.
embodiment 2:
As shown in Figure 4 and Figure 5:
In use, matrix also can be adopted to arrange the mode of magnetic separator, and increase a wind converging tube 11 and a point of airduct 10, a mouth of pipe can be separated multiple interface by described point of airduct 10, and multiple interface can be combined into a mouth of pipe by wind converging tube 11.Described wind converging tube 11 connects with discharge pipe 3, and described point of airduct 10 connects with blast pipe 1.Several magnetic separator body is arranged according to the mode of matrix, such as by the arrayed of 9 magnetic separator bodies according to 3x3, then the discharge pipe 3 of 9 magnetic separator bodies is connected with wind converging tube 11 and communicates, the blast pipe 1 of 9 magnetic separator bodies is connected with a point airduct 10 and communicates.
Be its a large amount of gases provided after dividing airduct to connect high pressure roller mill system roll-in sorting, as the air intake pipe orifice of whole matrix, in like manner, multiple air-out after magnetic separator combines by wind converging tube, by using wind converging tube 11 and point airduct 10, the treating capacity of whole magnetic separator greatly can be strengthened.
embodiment 3:
In use, also can adopt the magnetic separator that series system and matrix arrangement mode combine, the discharge pipe 3 of a magnetic separator main body connects with the blast pipe 1 of another magnetic separator main body, forms cascaded structure, and several magnetic separator main body laggard row matrix array of connecting arranges.
So both can obtain the treating capacity that better magnetic separation effect also enhances magnetic separator simultaneously.
embodiment 4:
As shown in Figure 4 and Figure 6:
Increase a wind converging tube 11 and a point of airduct 10, a mouth of pipe can be separated multiple interface by described point of airduct 10, and multiple interface can be combined into a mouth of pipe by wind converging tube 11.Several magnetic separator main body becomes circumferential arrangement, and its blast pipe 1 is connected on one point of airduct 10, and discharge pipe 3 is connected on a wind converging tube 11.
Roughly the same, just arrangement mode is different, and arrangement mode is circumferential arrangement, is applicable to the occasion that some are special like this for its action principle and embodiment 2.
embodiment 5:
In use, also can adopt the magnetic separator that series system and circumferential arrangement combine, the discharge pipe 3 of a magnetic separator main body connects with the blast pipe 1 of another magnetic separator main body, forms cascaded structure, carries out circumferential arrangement after several magnetic separator main body series connection.
So both can obtain the treating capacity that better magnetic separation effect also enhances magnetic separator simultaneously.
As other some modes, can also be diversified, such as, first by two or more magnetic separator main body series connection, then matrix arrangement again after carrying out circumferential arrangement, or, other some arrangement modes can be adopted, such as, single magnetic separator main body is arranged according to trapezoidal or other shapes or actual requirement.
The technical process of micro mist of the present invention and fine powder dry-type magnetic extractor is as follows:
This magnetic separator is as one of the capital equipment of the high pressure roller mill aidr bells blast system with powder concentrator, for it provides in a large number with the micro mist being less than 3mm and the powder material of gas conveying after high pressure roller mill system roll-in sorting, micro-, the fine grained that fully disperse through gas are transported to non-magnetic air channel.Band material wind speed 2 ~ 30m/s in described non-magnetic airduct, non-magnetic airduct and horizontal plane angle 30 ~ 90 °, non-magnetic airduct cross section (circle) diameter is 0.1 ~ 2m, non-magnetic airduct cross section (rectangle) is wide is 0.1 ~ 1m, length is 0.1 ~ 5m, non-magnetic airduct cross section (random shape) area of section 0.01 m
2~ 10 m
2.Be uniformly dispersed after entering non-magnetic airduct, now, the magnetic field intensity setting non-magnetic airduct is set to 100 ~ 3000Gs, magnetic system drive unit provides top-down motion magnetic system, through the zone of action in magnetic field, magnetic-particle overcomes power that gas provides under the action of a magnetic force and self gravitation is attracted on non-magnetic airduct limit wall, and non-magnetic particle continues to rise under aerodynamic force overcomes particle self gravitation, if now electromagnetism magnetic system, then adopt break-make electric energy and carried out change of magnetic field strength; Enter discharge pipe by non-magnetic airduct to collect to cleaner, magnetic-particle is in due course by reducing or stopping magnetic field force, and the magnetic-particle being now adsorbed on non-magnetic airduct limit wall declines under gravity, enters in ore discharge pipe and discharges magnetic separator; Enter deashing device thereupon and carry out deashing process, then drawn off through airlock by concentrate, mine tailing is accepted to external equipment deduster through discharge pipe by gas transport.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a micro mist and fine powder dry-type magnetic extractor, comprise magnetic separator main body, it is characterized in that: magnetic separator main body comprises blast pipe (1), non-magnetic airduct (2), discharge pipe (3), magnetic system (4), ore discharge pipe (6), described blast pipe (1) is communicated with one end of non-magnetic airduct (2), the other end of non-magnetic airduct (2) is communicated with discharge pipe (3), described ore discharge pipe (6) is located at the below of non-magnetic airduct (2) and its one end is communicated with non-magnetic airduct (2), and described magnetic system (4) is located at the outside of non-magnetic airduct (2).
2. micro mist as claimed in claim 1 and fine powder dry-type magnetic extractor, is characterized in that: the magnetic field of described magnetic system (4) is electromagnetism magnetic field.
3. micro mist as claimed in claim 1 and fine powder dry-type magnetic extractor, is characterized in that: the magnetic field of described magnetic system (4) is permanent magnetic field, be provided with magnetic system drive unit (5) and be connected with magnetic system (4).
4. the micro mist as described in claim arbitrary in Claims 2 or 3 and fine powder dry-type magnetic extractor, is characterized in that: the below of non-magnetic airduct (2) and blast pipe (1) junction is located at by ore discharge pipe (6).
5. micro mist as claimed in claim 4 and fine powder dry-type magnetic extractor, is characterized in that: also comprise deashing device (7), and deashing device (7) is positioned at ore discharge pipe (6) below.
6. micro mist as claimed in claim 5 and fine powder dry-type magnetic extractor, it is characterized in that: also comprise airlock (8), airlock (8) is connected with ore discharge pipe (6) or deashing device (7).
7. micro mist as claimed in claim 1 and fine powder dry-type magnetic extractor, is characterized in that: the discharge pipe (3) of a magnetic separator main body connects with the blast pipe (1) of another magnetic separator main body, forms cascaded structure.
8. micro mist as claimed in claim 6 and fine powder dry-type magnetic extractor, is characterized in that: also comprise wind converging tube (11) and point airduct (10), described wind converging tube (11) connects with discharge pipe (3), and described point of airduct (10) connects with blast pipe (1).
9. micro mist as claimed in claim 8 and fine powder dry-type magnetic extractor, is characterized in that: several magnetic separator host matrix array arrangement, its blast pipe (1) is connected on one point of airduct (10), and discharge pipe (3) is connected on a wind converging tube (11).
10. micro mist as claimed in claim 8 and fine powder dry-type magnetic extractor, it is characterized in that: several magnetic separator main body becomes circumferential arrangement, its blast pipe (1) is connected on one point of airduct (10), and discharge pipe (3) is connected on a wind converging tube (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210204646.2A CN102728461B (en) | 2012-06-20 | 2012-06-20 | Micro powder fine powder dry-type magnet separator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210204646.2A CN102728461B (en) | 2012-06-20 | 2012-06-20 | Micro powder fine powder dry-type magnet separator |
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| CN102728461A CN102728461A (en) | 2012-10-17 |
| CN102728461B true CN102728461B (en) | 2015-02-04 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103920584A (en) * | 2014-04-23 | 2014-07-16 | 国家电网公司 | Scrap iron separation device for coal pulverizing system |
| CN105521870A (en) * | 2014-09-28 | 2016-04-27 | 扬州兴益机械有限公司 | Metal sorting apparatus |
| CN107199118B (en) * | 2017-06-21 | 2018-12-18 | 廖嘉琪 | A kind of powdery fluid iron-removing device |
| CN109530083B (en) * | 2018-11-28 | 2023-12-12 | 昆明理工大学 | Fine continuous dry magnetic separation device and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844491A (en) * | 1972-12-20 | 1974-10-29 | Williams Patent Crusher & Pulv | Material reclaiming and classifying apparatus |
| CN101596492A (en) * | 2009-07-01 | 2009-12-09 | 武汉科技大学 | A kind of micro powder dry-type magnetic separator |
| CN102430474A (en) * | 2011-11-08 | 2012-05-02 | 隋鑫 | Eight-roller dry type wind force permanent magnet refined dressing machine |
| CN202638574U (en) * | 2012-06-20 | 2013-01-02 | 成都利君科技有限责任公司 | Micro powder and fine powder dry type magnetic separator |
-
2012
- 2012-06-20 CN CN201210204646.2A patent/CN102728461B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844491A (en) * | 1972-12-20 | 1974-10-29 | Williams Patent Crusher & Pulv | Material reclaiming and classifying apparatus |
| CN101596492A (en) * | 2009-07-01 | 2009-12-09 | 武汉科技大学 | A kind of micro powder dry-type magnetic separator |
| CN102430474A (en) * | 2011-11-08 | 2012-05-02 | 隋鑫 | Eight-roller dry type wind force permanent magnet refined dressing machine |
| CN202638574U (en) * | 2012-06-20 | 2013-01-02 | 成都利君科技有限责任公司 | Micro powder and fine powder dry type magnetic separator |
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