CN203044191U - Magnetic and hydraulic cyclone for grading magnetite - Google Patents

Magnetic and hydraulic cyclone for grading magnetite Download PDF

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Publication number
CN203044191U
CN203044191U CN 201320034536 CN201320034536U CN203044191U CN 203044191 U CN203044191 U CN 203044191U CN 201320034536 CN201320034536 CN 201320034536 CN 201320034536 U CN201320034536 U CN 201320034536U CN 203044191 U CN203044191 U CN 203044191U
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China
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magnetic
cone
overflow pipe
wound
cylinder
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CN 201320034536
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Chinese (zh)
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李茂林
郭娜娜
崔瑞
郑霞裕
颜亚梅
张仁丙
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Wuhan University of Science and Engineering WUSE
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Wuhan University of Science and Engineering WUSE
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Abstract

The utility model relates to a magnetic and hydraulic cyclone for grading magnetite. According to the technical scheme, the lower end of an overflowing pipe (3) is located in the middle part or the lower part of a column body (9). The upper end of a central magnetism conduction rod (5) is welded on an end opening of the lower end of the overflowing pipe (3) through 2-4 connection fins (4); the lower end of the central magnetism conduction rod (5) is leveled with the lower end of an upper cone (8); and the diameter of the central magnetism conduction rod (5) is 0.2-0.3 times as large as the inner diameter of the overflowing pipe (3). The overflowing pipe (3), the connection fins (4), the central magnetism conduction rod (5), the upper cone (8) and the column body (9) are made of magnetism conduction material; and a top cover (11), an ore feeding section (10) and a lower cone (7) are made of non-magnetism-conduction material. One ends of four U-shaped iron cores (2) wound with coils (1) are respectively welded on the outer wall of the overflowing pipe (3) which stretches out of the top cover (11); the other ends of the four U-shaped iron cores (2) wound with the coils (1) are respectively welded on the outer wall of the column body (9); and the U-shaped iron cores (2) wound with the coils (1) are distributed into a cross shape in central symmetry. The magnetic force and hydraulic cyclone disclosed by the utility model has the advantages of low cost, energy consumption reduction, long service life, convenience in operation and high grading efficiency.

Description

A kind of MAGNETIC HYDROCYCLONES for the magnetic iron ore classification
Technical field
The utility model belongs to the hydrocyclone technical field.Be specifically related to a kind of MAGNETIC HYDROCYCLONES for the magnetic iron ore classification.
Background technology
Hydrocyclone is after occurring the thirties in 20th century, and its structure and performance constantly are improved and are perfect, have been widely used in fields such as ore dressing, chemical industry and oil.The partition size of hydrocyclone is not only relevant with granularity, and relevant with density, and namely major diameter, low-density particle enter overflow, and minor diameter, highdensity particle enter underflow.In the widely used iron ore grind grading of cyclone loop, this defective has caused: (1) monomer dissociation iron mineral because density enters sand setting greatly, continue to return the grinding machine ore grinding, this had both wasted energy, had caused unnecessary overground again; (2) the coarse granule lean intergrowth that the iron grade is low enters overflow owing to density is low, directly send into the magnetic concentration working of hypomere, and these particles enter the concentrate product certainly will reduce concentrate grade, enters the rate of recovery that mine tailing then reduces iron.This phenomenon is called as derichment, is a technical barrier that does not overcome of ore dressing field.
At these problems, once did research abroad: it is Ф 200mm circumference formula shape of a saddle electromagnetism magnetic force cyclone that New Zealand Fu Like (Frricker) has developed a kind of specification; Ukraine coal separation designing institute has manufactured experimently mixing electromagnetic eddy flow device; Britain Bock Si Mage-La Pide (Boxmag-Rapid) company has developed MCTO type magnetic force cyclone, magnetic direction sensing cyclone center in view of this kind equipment, magnetic-particle is enriched in the overflow, so be referred to as overflow discharge type MAGNETIC HYDROCYCLONES.Because the said equipment has magnetic field from the cyclone top cover to cylinder lower end corresponding flooding pipeline section, the microfine magnetic material can be inhaled on overflow pipe, reduces classification efficiency; Cylinder has magnetic field, and centrum part magnetic field is very weak, and the effective magnetic field scope is little, and the qualified material that still has a large amount of granularities is enriched in and causes overgroundly in the sand setting, brings harmful effect for follow-up sorting operation, so be not applied in the industry.Also there be not article or the report of this kind equipment in China.
Summary of the invention
The utility model is intended to overcome the prior art defective, and purpose is to provide that a kind of cost is low, energy efficient, the life-span is long, easy to operate, classification efficiency is high and be suitable for the MAGNETIC HYDROCYCLONES that is used for the magnetic iron ore classification of commercial Application.
For achieving the above object, the technical solution adopted in the utility model is: the MAGNETIC HYDROCYCLONES that is used for the magnetic iron ore classification comprises common hydrocyclone, four U-iron core and center magnetic conductive rods that are wound with coil.
Common hydrocyclone by top cover, form for ore deposit section, cylinder, upper cone, lower cone, overflow pipe and sand setting mouth.Top cover with the upper end of giving the ore deposit section, connect for the lower end of ore deposit section respectively by flange is concentricity with the housing of sand setting mouth with the upper end of lower cone and the lower end of lower cone with the upper end of upper cone, the lower end of upper cone with the upper end of cylinder, the lower end of cylinder.
The centre bore of overflow pipe and top cover is fixedly connected, the lower end of overflow pipe is positioned at middle part or the bottom of cylinder, the upper end of center magnetic conductive rod connects the port that fin is welded on the overflow pipe lower end concentrically by 2 ~ 4, the lower end of center magnetic conductive rod is concordant with the lower end of upper cone, and the diameter of center magnetic conductive rod is 0.2 ~ 0.3 times of overflow pipe internal diameter.
Described overflow pipe, connection fin, center magnetic conductive rod, upper cone and cylinder adopt permeability magnetic material respectively; Top cover, adopt non-magnet_conductible material for ore deposit section and lower cone.
Four ends that are wound with the U-iron core of coil are welded on respectively on the outer wall of the overflow pipe that stretches out top cover, four other ends that are wound with the U-iron core of coil are welded on respectively on the outer wall of cylinder, and four U-iron cores that are wound with coil are " ten " font center symmetric arrangement.
Magnetic field intensity H=(1 ~ 160) kA/m that is used for the MAGNETIC HYDROCYCLONES of magnetic iron ore classification, magnetic field force HgradH=(1 ~ 1320) * 10 9A 2/ m 3
In technique scheme: the shape of described four U-iron cores that are wound with coil is all identical with material; The magnetic flux of described coil is identical.
Because adopt technique scheme, the utility model is welded on four ends that are wound with the iron core of coil respectively on the outer wall on overflow pipe top, the other end of four iron cores is welded on respectively on the cylinder outer wall.When giving four coil electricities, should be used for to produce magnetic field in the MAGNETIC HYDROCYCLONES of magnetic iron ore classification, radial magnetic field intensity is elder generation and increases the trend that afterwards reduces along with the increase of material radius of turn, the turning point of overflow pipe below is on maximum tangential velocity track plane.Therefore from periphery of the present utility model to maximum tangential velocity track plane, magnetic-particle also is subjected to the magnetic force at the center of pointing to except being subjected to centrifugal force and fluid drag, thereby make the enrichment in overflow of monomer magnetic-particle, optimized the classification that contains the magnetic-particle material and separated.
The utility model compared with prior art has the following advantages:
1) low, the life-span length and easy to operate of the utility model cost.
2) adopt non-magnet_conductible material for the ore deposit section, cylinder adopts permeability magnetic material, thus have only the space of cylinder that magnetic field is arranged, and do not have magnetic field for the space of ore deposit section.Therefore reduce the microfine magnetic material and be adsorbed on probability on the overflow pipe outer wall, improved classification efficiency.
3) be provided with the center magnetic conductive rod in the overflow pipe lower end, expand magnetic field to upper cone, cylinder and upper cone section have magnetic field.In center magnetic conductive rod section, the radial magnetic field scope of pointing to the center be from the cyclone periphery to maximum tangential velocity track plane, the effective magnetic field scope is big, qualified material is enriched in the overflow so can make granularity, reduces overground.
4) the center magnetic conductive rod can play the effect of stable air post.
5) magnetic field intensity of cyclone inside can be regulated within the specific limits.
Therefore, the utlity model has that cost is low, energy efficient, the life-span is long, easy to operate, classification efficiency is high and be suitable for the advantage of commercial Application.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the partial enlarged drawing of overflow pipe 3, connection fin 4 and center magnetic conductive rod 5 among Fig. 3.
The specific embodiment
The utility model will be further described below in conjunction with the drawings and specific embodiments, is not the restriction to its protection domain:
Embodiment 1
A kind of MAGNETIC HYDROCYCLONES for the magnetic iron ore classification.As shown in Figure 1, the MAGNETIC HYDROCYCLONES for the magnetic iron ore classification comprises common hydrocyclone, four U-iron core 2 and center magnetic conductive rods 5 that are wound with coil 1.
Common hydrocyclone by top cover 11, form for ore deposit section 10, cylinder 9, upper cone 8, lower cone 7, overflow pipe 3 and sand setting mouth 6.Top cover 11 with the upper end of giving ore deposit section 10, connect for the lower end of ore deposit section 10 respectively by flange is concentricity with the housing of sand setting mouth 6 with the upper end of lower cone 7 and the lower end of lower cone 7 with the upper end of upper cone 8, the lower end of upper cone 8 with the upper end of cylinder 9, the lower end of cylinder 9.
Overflow pipe 3 is fixedly connected with the centre bore of top cover 11, and the lower end of overflow pipe 3 is positioned at the middle part of cylinder 9.As shown in Figure 1 and Figure 4, the upper end of center magnetic conductive rod 5 connects the port that fin 4 is welded on overflow pipe 3 lower ends concentrically by 4, the lower end of center magnetic conductive rod 5 is concordant with the lower end of upper cone 8, and the diameter of center magnetic conductive rod 5 is 0.2 ~ 0.25 times of overflow pipe 3 internal diameters.
Described overflow pipe 3, connection fin 4, center magnetic conductive rod 5, upper cone 8 and cylinder 9 adopt permeability magnetic material respectively; Top cover 11, adopt non-magnet_conductible materials for ore deposit section 10 and lower cone 7.
As depicted in figs. 1 and 2, four ends that are wound with the U-iron core 2 of coil 1 are welded on respectively on the outer wall of the overflow pipe 3 that stretches out top cover 11, as shown in figures 1 and 3, four other ends that are wound with the U-iron core 2 of coil 1 are welded on respectively on the outer wall of cylinder 9, and four U-iron cores 2 that are wound with coil 1 are " ten " font center symmetric arrangement.
The magnetic field intensity H=of present embodiment (1 ~ 160) kA/m, magnetic field force HgradH=(1 ~ 1320) * 10 9A 2/ m 3
In the present embodiment: the shape of described four U-iron cores 2 that are wound with coil 1 is all identical with material; The magnetic flux of described coil 1 is identical; Described ore deposit section 10, cylinder 9, upper cone 8 and the lower cone 7 given is hollow shape.
Embodiment 2
A kind of MAGNETIC HYDROCYCLONES for the magnetic iron ore classification.Except following technical parameter, all the other are with embodiment 1.
Overflow pipe 3 is fixedly connected with the centre bore of top cover 11, and the lower end of overflow pipe 3 is positioned at the bottom of cylinder 9.As shown in Figure 1 and Figure 4, the upper end of center magnetic conductive rod 5 connects the port that fin 4 is welded on overflow pipe 3 lower ends concentrically by 2 ~ 3, the lower end of center magnetic conductive rod 5 is concordant with the lower end of upper cone 8, and the diameter of center magnetic conductive rod 5 is 0.25 ~ 0.30 times of overflow pipe 3 internal diameters.
This specific embodiment is welded on four ends that are wound with the U-iron core 2 of coil 1 respectively on the outer wall on overflow pipe 3 tops, and the other end of four iron cores 2 is welded on respectively on cylinder 9 outer walls.When giving 1 energising of four coils, should be used for to produce magnetic field in the MAGNETIC HYDROCYCLONES of magnetic iron ore classification, radial magnetic field intensity is elder generation and increases the trend that afterwards reduces along with the increase of material radius of turn, the turning point of overflow pipe 3 belows is on maximum tangential velocity track plane.Therefore from the periphery of this specific embodiment to maximum tangential velocity track plane, magnetic-particle also is subjected to the magnetic force at the center of pointing to except being subjected to centrifugal force and fluid drag, thereby make the enrichment in overflow of monomer magnetic-particle, optimized the classification that contains the magnetic-particle material and separated.
This specific embodiment compared with prior art has the following advantages:
1) low, the life-span length and easy to operate of this specific embodiment cost.
2) adopt non-magnet_conductible material for ore deposit section 10, cylinder 9 adopts permeability magnetic material, thus have only the space of cylinder 9 that magnetic field is arranged, and do not have magnetic field for the space of ore deposit section 10.Therefore reduce the microfine magnetic material and be adsorbed on probability on the overflow pipe outer wall, improved classification efficiency.
3) be provided with center magnetic conductive rod 5 in the lower end of overflow pipe 3, expand magnetic field to upper cone 8, cylinder 9 and upper cone have magnetic field for 8 sections.5 sections of center magnetic conductive rods, the radial magnetic field scope of pointing to the center be from the cyclone periphery to maximum tangential velocity track plane, the effective magnetic field scope is big, qualified material is enriched in the overflow so can make granularity, reduces overground.
4) center magnetic conductive rod 5 can play the effect of stable air post.
5) magnetic field intensity of this specific embodiment inside can be regulated within the specific limits.
Therefore, this specific embodiment has that cost is low, energy efficient, the life-span is long, easy to operate, classification efficiency is high and be suitable for the advantage of commercial Application.

Claims (3)

1. a MAGNETIC HYDROCYCLONES that is used for the magnetic iron ore classification is characterized in that described MAGNETIC HYDROCYCLONES for the magnetic iron ore classification comprises common hydrocyclone, four U-iron core (2) and center magnetic conductive rods (5) that are wound with coil (1);
Common hydrocyclone by top cover (11), form for ore deposit section (10), cylinder (9), upper cone (8), lower cone (7), overflow pipe (3) and sand setting mouth (6); Top cover (11) with the upper end of giving ore deposit section (10), connect for the lower end of ore deposit section (10) respectively by flange is concentricity with the housing of sand setting mouth (6) with the upper end of lower cone (7) and the lower end of lower cone (7) with the upper end of upper cone (8), the lower end of upper cone (8) with the upper end of cylinder (9), the lower end of cylinder (9);
Overflow pipe (3) is fixedly connected with the centre bore of top cover (11), the lower end of overflow pipe (3) is positioned at middle part or the bottom of cylinder (9), the upper end of center magnetic conductive rod (5) connects the port that fin (4) is welded on overflow pipe (3) lower end concentrically by 2 ~ 4, the lower end of center magnetic conductive rod (5) is concordant with the lower end of upper cone (8), and the diameter of center magnetic conductive rod (5) is 0.2 ~ 0.3 times of overflow pipe (3) internal diameter;
Described overflow pipe (3), connection fin (4), center magnetic conductive rod (5), upper cone (8) and cylinder (9) adopt permeability magnetic material respectively; Top cover (11), adopt non-magnet_conductible material respectively for ore deposit section (10) and lower cone (7);
Four ends that are wound with the U-iron core (2) of coil (1) are welded on respectively on the outer wall of the overflow pipe (3) that stretches out top cover (11), four other ends that are wound with the U-iron core (2) of coil (1) are welded on respectively on the outer wall of cylinder (9), and four U-iron cores (2) that are wound with coil (1) are " ten " font center symmetric arrangement;
Magnetic field intensity H=(1 ~ 160) kA/m that is used for the MAGNETIC HYDROCYCLONES of magnetic iron ore classification, magnetic field force HgradH=(1 ~ 1320) * 10 9A 2/ m 3
2. the MAGNETIC HYDROCYCLONES for the magnetic iron ore classification according to claim 1 is characterized in that the shape of described four U-iron cores (2) that are wound with coil (1) is all identical with material.
3. the MAGNETIC HYDROCYCLONES for the magnetic iron ore classification according to claim 1 and 2 is characterized in that the magnetic flux of described coil (1) is identical.
CN 201320034536 2013-01-23 2013-01-23 Magnetic and hydraulic cyclone for grading magnetite Withdrawn - After Issue CN203044191U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 201320034536 CN203044191U (en) 2013-01-23 2013-01-23 Magnetic and hydraulic cyclone for grading magnetite

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056049A (en) * 2013-01-23 2013-04-24 武汉科技大学 Overflow-discharge-type magnetic hydrocyclone
CN105396705A (en) * 2015-12-11 2016-03-16 云南磷化集团有限公司 Equal-terminal-velocity-free hydrocyclone
CN114042548A (en) * 2021-11-10 2022-02-15 攀钢集团攀枝花钢铁研究院有限公司 Method for recovering titanium from micro-fine particle fraction of titanium-dressing tailings of vanadium titano-magnetite
CN114345540A (en) * 2021-12-09 2022-04-15 玉溪大红山矿业有限公司 Low-grade hematite rough concentrate recleaning process

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056049A (en) * 2013-01-23 2013-04-24 武汉科技大学 Overflow-discharge-type magnetic hydrocyclone
CN105396705A (en) * 2015-12-11 2016-03-16 云南磷化集团有限公司 Equal-terminal-velocity-free hydrocyclone
CN114042548A (en) * 2021-11-10 2022-02-15 攀钢集团攀枝花钢铁研究院有限公司 Method for recovering titanium from micro-fine particle fraction of titanium-dressing tailings of vanadium titano-magnetite
CN114345540A (en) * 2021-12-09 2022-04-15 玉溪大红山矿业有限公司 Low-grade hematite rough concentrate recleaning process
CN114345540B (en) * 2021-12-09 2024-05-10 玉溪大红山矿业有限公司 Low-grade hematite rough concentrate recleaning process

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Granted publication date: 20130710

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