CN207941619U - A kind of dry magnetic separation equipment for low-grade fine-grained magnetite - Google Patents

A kind of dry magnetic separation equipment for low-grade fine-grained magnetite Download PDF

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Publication number
CN207941619U
CN207941619U CN201820308985.8U CN201820308985U CN207941619U CN 207941619 U CN207941619 U CN 207941619U CN 201820308985 U CN201820308985 U CN 201820308985U CN 207941619 U CN207941619 U CN 207941619U
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China
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magnetic separation
magnetic
low
dry
separation equipment
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张明飞
杜鑫
王维莉
贺孝
贺孝一
豆海建
倪祥平
秦中华
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Tianjin Cement Industry Design and Research Institute Co Ltd
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Tianjin Cement Industry Design and Research Institute Co Ltd
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Abstract

The utility model belongs to dry magnetic separation apparatus field, more particularly to a kind of dry magnetic separation equipment for low-grade fine-grained magnetite, the dry magnetic separation equipment for low-grade fine-grained magnetite includes shell, feeding mouth is equipped with above the shell, seasoning spreading box is equipped with below the feeding mouth, it is provided with annular through-hole on the inside of the seasoning spreading box, it is provided with blocking material ring below the annular through-hole, the enclosure interior is equipped with concentrate hopper by support, magnetic separation disk is equipped with above the concentrate hopper, it is disposed with magnetic system in the magnetic separation disk, there are gaps between the magnetic separation disk and the top edge of the concentrate hopper, the seasoning spreading box, blocking material ring and magnetic separation disk form an entirety, it is described to be connect with frequency-conversion drive apparatus entirely through drive shaft.The utility model provide it is a kind of using center feeding, Centrifugal dispersion, landslide accelerate dispersion, edge sort technological means, it can be achieved that sorting result more better than traditional magnetic pulley dry type pre-selection device the dry magnetic separation equipment for low-grade fine-grained magnetite.

Description

A kind of dry magnetic separation equipment for low-grade fine-grained magnetite
Technical field
The utility model belongs to dry magnetic separation apparatus field, more particularly to a kind of dry method for low-grade fine-grained magnetite Magnetic plant.
Background technology
Country 13 plan " energy-saving and emission-reduction " call and current mining industry severe situation so that high-pressure roller mill this Kind high energy efficiency ratio equipment is able to fast development.In recent years, iron ore demand is increasing, and rich ore or cannot compared with rich iron ore Meets the needs of market, the utilization of poor and ultra-poor magnetic iron ore are increasingly taken seriously.However, due to ultra-poor magnet Ferromagnetism iron mineral content is low in mine, as using directly ore grinding uses magnetic separation again after crushing raw ore, then ore grinding expense can be greatly increased, Cause the cost of entire ore dressing can be very high, or even cannot get a profit.Therefore, more optimal technique should be used for Ultra-low-grade magnetite Flow could reduce beneficiation cost.For ultra-poor iron ore of the recyclable iron mineral based on magnetic iron ore, useless using dry separation throwing, Dry separation concentrate roughly grind magnetic separation whipping, coarse concentrate regrinding magnetic separation technological process, it is possible to reduce enter mill amount, greatly save ore grinding at This;Dry method particulate magnetic plant is the key equipment of dry separation concentrate corase grinding magnetic separation whipping;Granularity meeting after being roughly ground due to dry separation concentrate< 3mm, traditional magnetic pulley dry type pre-selection device have been unable to meet requirement.
Therefore, these problems are based on, provides and a kind of accelerates that dispersion, edge sorts using center feeding, Centrifugal dispersion, landslide Technological means, it can be achieved that sorting result more better than traditional magnetic pulley dry type pre-selection device for low-grade fine-grained magnetite Dry magnetic separation equipment has important practical significance.
Utility model content
The utility model provides a kind of using center feeding, centrifugation point for technical problem present in solution known technology It dissipates, landslide accelerates dispersion, edge sorts technological means, it can be achieved that sorting result more better than traditional magnetic pulley dry type pre-selection device The dry magnetic separation equipment for low-grade fine-grained magnetite.
The utility model is adopted the technical scheme that solve technical problem present in known technology:
A kind of dry magnetic separation equipment for low-grade fine-grained magnetite, the dry method for low-grade fine-grained magnetite Magnetic plant includes shell, and feeding mouth is equipped with above the shell, seasoning spreading box is equipped with below the feeding mouth, the seasoning spreading box Inside is provided with annular through-hole, and blocking material ring is provided with below the annular through-hole, and the enclosure interior is equipped with concentrate material by support Bucket, the concentrate hopper top are equipped with magnetic separation disk, magnetic system, the magnetic separation disk and the concentrate hopper are disposed in the magnetic separation disk Top edge between there are gap, the seasoning spreading box, blocking material ring and magnetic separation disk form an entirety, described entirely through drive shaft It is connect with frequency-conversion drive apparatus.
The utility model can also use following technical scheme:
In the above-mentioned dry magnetic separation equipment for low-grade fine-grained magnetite, further, the shell includes upper Shell, annular brace and lower housing, the upper shell and lower housing are fixed to each other by annular brace.
In the above-mentioned dry magnetic separation equipment for low-grade fine-grained magnetite, further, pacify on the upper shell It is constituted equipped with peep hole.
In the above-mentioned dry magnetic separation equipment for low-grade fine-grained magnetite, further, the concentrate hopper bottom Portion is connected with concentrate scraper-trough conveyer, and the lower housing bottom is connected with tailing scraper-trough conveyer.
In the above-mentioned dry magnetic separation equipment for low-grade fine-grained magnetite, further, at the top of the magnetic separation disk Section for circle, the magnetic separation disc side comes down for arc, and the bottom on the arc landslide is plane, is connected with the plane It is a semicircular rotary body, the guide ring of the surface layout multiple tracks arc of the lower half portion of the rotary body.
In the above-mentioned dry magnetic separation equipment for low-grade fine-grained magnetite, further, the magnetic system is arranged in The disk side position of magnetic separation disk, the magnetic system include the arcuate portion and horizontally disposed adjustable-length portion that arc angle is 135 ° Point.
In the above-mentioned dry magnetic separation equipment for low-grade fine-grained magnetite, further, the arcuate portion point For more than horizontal profile 90 degree of arc sections and be located at horizontal profile 45 degree of arc sections below.
In the above-mentioned dry magnetic separation equipment for low-grade fine-grained magnetite, further, the blocking material ring includes The detachable ring steel plate of multilayer, the detachable ring steel plate of multilayer are arranged in stepped, and the height of the blocking material ring is according to existing The mobility of field material is adjusted.
The utility model has the advantages and positive effects of:
1, the utility model suitable for low-grade magnetite ore dressing process, after dry milling, through classifying screen or choosing Grain size after the classification of powder machine<The dry method of the fine particle product of 3mm throws tail, due to accelerating to divide using center feeding, Centrifugal dispersion, landslide Dissipate, edge sorts technological means, it can be achieved that sorting result more better than traditional magnetic pulley dry type pre-selection device, compared to traditional magnetic Pulley dry type pre-selection device, can substantially concentrate grade, improve expected amplitude up to 10%~20%.
2, the utility model makes the material for feeding magnetic separation disk from center be slided to magnetic separation plate edge through rotation dispersion and slope Dispersion, after dispersion<The fine particle product of 3mm enters horizontal segment and 135 ° of magnetic separation regions, can by expand magnetic separation disk diameter and Height and the length on arc landslide are adjusted to realize better dispersion effect;From<From the point of view of the dispersion effect of the fine particle product of 3mm, The stabilization of the hopper, the stepped achievable magnetic separation disk feeding of discharging adjusting that are arranged in the utility model.
3, the utility model sorts for two steps, more advantageous to improving sorting result:From raising<The choosing of the fine particle product of 3mm For other effect, after the magnetism and non-magnetic particle for fully accelerating dispersion enter horizontal segment, magnetic-particle passes through horizontal segment It is close to magnetic separation panel surface under the action of the magnetic force of the magnetic system of setting and 135 degree of magnetic systems, through subtracting under magnetic force and friction force effect The magnetic-particle of speed finally falls into concentrate hopper, non-magnetic particle by magnetic system due to not made along magnetic separation disk edge slide downward With will continue to accelerate, and at the edge of magnetic separation disk, it is detached from magnetic separation disk;The utility model is special due to the horizontal segment in landslide end Magnetic system is devised, the deceleration in horizontal segment of magnetic-particle is realized, has reached magnetic-particle and nonmagnetic speed difference, it is real Initial gross separation is showed, has realized that final sorting, the sorting of two steps more have to improving sorting result by magnetic force in 135 degree of magnetic system regions Profit.
4, the utility model is arranged in the disk side position of magnetic separation disk, the rotary body of shape in magnetic system, and Section Design is Horizontal length adjustable section is formed with 135 degree of arcs, and horizontal length determines specific long according to the beneficiation test effect at design initial stage Degree, and can be increased or decreased according to the difference of flowability of different material, to reach the needs that can meet actual production.
5, the utility model uses enclosed construction, shell to be provided with peep hole, realizes closing production, reduces airborne dust, can be real Existing environmental protection production.
6, the utility model is given up using dry separation throwing, dry separation concentrate roughly grinds magnetic separation whipping, the technique stream of coarse concentrate regrinding magnetic separation Journey, it is possible to reduce enter mill amount, greatly save ore grinding cost.
Description of the drawings
The technical solution of the utility model is described in further detail below with reference to drawings and examples, still It should be known that these attached drawings only design for task of explanation, therefore not as the restriction of the scope of the utility model.In addition, Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale It draws.
Fig. 1 is the vertical view of the utility model;
Fig. 2 is the sectional view of the line A-A in Fig. 1;
Fig. 3 is the sectional view of the line B-B in Fig. 1;
Fig. 4 is the sectional view of the line D-D in Fig. 2;
Fig. 5 is the sectional view of the line C-C in Fig. 2;
Fig. 6 is the sectional view of the E-E lines in Fig. 2;
Fig. 7 is the sectional view of the F-F lines in Fig. 2;
Fig. 8 is the sectional view of the G-G lines in Fig. 2;
Fig. 9-a are the force analysis figure of first stage non-magnetic particle;
Fig. 9-b are the force analysis figure of first stage magnetic-particle;
Fig. 9-c are the force analysis figure of second stage non-magnetic particle;
Fig. 9-d are the force analysis figure of second stage magnetic-particle;
Fig. 9-e are the force analysis figure of phase III non-magnetic particle;
Fig. 9-f are the force analysis figure of phase III magnetic-particle;
Fig. 9-g are the force analysis figure of fourth stage non-magnetic particle;
Fig. 9-h are the force analysis figure of fourth stage magnetic-particle.
In figure:
01-1, feeding mouth, 01-2, seasoning spreading box, 01-3, blocking material ring, 01-4, magnetic separation disk, 01-5, magnetic system, 01-6, frequency conversion are driven Dynamic device, 01-7, guide ring, 01-8, upper shell, 01-9, lower housing, 01-10, support, 01-11, concentrate hopper, 01-12, essence Milling hole, 01-13, tailing scraper-trough conveyer, 01-14, annular brace, 01-15, peep hole are constituted.
Specific implementation mode
Firstly, it is necessary to explanation, below by by way of example come illustrate the utility model for low-grade thin Concrete structure, the features and advantages of dry magnetic separation equipment etc. of grain magnetic iron ore, however all descriptions are intended merely to illustrate , and should not be construed as forming any restrictions to the utility model.In addition, being retouched in each embodiment mentioned by this paper The arbitrary single technical characteristic stated or implied, or shown or implicit arbitrary single technical characteristic in the drawings, still It can continue arbitrary combination between these technical characteristics (or its equivalent) or delete, it may not herein to obtain More other embodiments of the utility model directly referred to.In addition, for the sake of simplifying drawing, same or like technology Feature may be indicated only at one in the same figure.
It will be understood that, when component ' attach ' to another component when it is said that, it can be directly connected to another component or There may be intermediate members.On the contrary, when component " being directly connected to " being arrived another component when it is said that, then it represents that middle part is not present Part.
Fig. 1 gives the vertical view of the utility model, and by Fig. 2 shows the sectional view of the line A-A in Fig. 1, And the sectional view of the line B-B in Fig. 1 is shown by Fig. 3, and shows by Fig. 4 the section view of the line D-D in Fig. 2 Figure, and show by Fig. 5 the sectional view of the line C-C in Fig. 2, and show by Fig. 6 E-E lines in Fig. 2 Sectional view, and show by Fig. 7 the sectional view of the F-F lines in Fig. 2, and the G-G in Fig. 2 is shown by Fig. 8 The sectional view of line, and show by Fig. 9-a the force analysis figure of first stage non-magnetic particle, and shown by Fig. 9-b Go out the force analysis figure of first stage magnetic-particle, and shows the stress of second stage non-magnetic particle by Fig. 9-c Analysis chart, and show by Fig. 9-d the force analysis figure of second stage magnetic-particle, and show by Fig. 9-e The force analysis figure of three stage non-magnetic particles, and show by Fig. 9-f the force analysis figure of phase III magnetic-particle, And the force analysis figure of fourth stage non-magnetic particle is shown by Fig. 9-g, and fourth stage is shown by Fig. 9-h The force analysis figure of magnetic-particle, below just illustrate the utility model in conjunction with Fig. 1 to Fig. 9-h.
For that can further appreciate that the utility model content, feature and effect of the utility model, the following examples are hereby given, and It is described in detail with the accompanying drawings as follows:
A kind of dry magnetic separation equipment for low-grade fine-grained magnetite, the dry method for low-grade fine-grained magnetite Magnetic plant includes shell, is equipped with above the shell below feeding mouth 01-1, the feeding mouth 01-1 and is equipped with seasoning spreading box 01-2, It is provided with annular through-hole on the inside of the seasoning spreading box 01-2, is provided with blocking material ring 01-3 below the annular through-hole, in the shell Portion is equipped with magnetic separation disk 01-4, the magnetic separation by supporting 01-10 to be equipped with above concentrate hopper 01-11, the concentrate hopper 01-11 It is disposed in disk 01-4 between magnetic system 01-5, the magnetic separation disk 01-4 and the top edge of the concentrate hopper 01-11 there are gap, The seasoning spreading box 01-2, blocking material ring 01-3 and magnetic separation disk 01-4 form an entirety, described to be driven entirely through drive shaft and frequency conversion Dynamic device 01-6 connections.
The utility model ore dressing process, after dry milling, through classifying screen or selects powder suitable for low-grade magnetite Grain size after machine classification<The dry method of the fine particle product of 3mm throws tail, due to being disperseed using center feeding, Centrifugal dispersion, landslide acceleration, Edge sorts technological means, it can be achieved that sorting result more better than traditional magnetic pulley dry type pre-selection device, is slided compared to traditional magnetic Take turns dry type pre-selection device, can substantially concentrate grade, improve expected amplitude up to 10%~20%.
For further, it can also consider in the present invention, the shell includes upper shell 01-8, annular brace 01-14 and lower housing 01-9, the upper shell 01-8 and lower housing 01-9 are fixed to each other by annular brace 01-14.
It should be pointed out that being equipped with peep hole on the upper shell 01-8 constitutes 01-15.
The utility model uses enclosed construction, shell to be provided with peep hole, realizes closing production, reduce airborne dust, it can be achieved that Environmental protection production.
It should be pointed out that the bottoms concentrate hopper 01-11 are connected with concentrate scraper-trough conveyer 01-12, the lower housing 01-9 Bottom is connected with tailing scraper-trough conveyer 01-13.
It for further, can also consider in the present invention, be circle, the magnetic at the top of the magnetic separation disk 01-4 The section of the sides disk 01-4 is selected to come down for arc, the bottom on the arc landslide is plane, and it is one to be connected with the plane Semicircular rotary body, the guide ring 01-7 of the surface layout multiple tracks arc of the lower half portion of the rotary body.
For further, it can also consider in the present invention, the magnetic system 01-5 is arranged in magnetic separation disk 01-4's Disk side position, the magnetic system 01-5 include the arcuate portion and horizontally disposed adjustable-length part that arc angle is 135 °.
It should be pointed out that the arcuate portion is divided into 90 degree of arc sections more than horizontal profile and is cutd open positioned at level Face 45 degree of arc sections below.
The utility model makes the material from center feeding magnetic separation disk 01-4 be slided to magnetic separation disk 01- through rotation dispersion and slope 4 edges disperse, after dispersion<The fine particle product of 3mm enters horizontal segment and 135 ° of magnetic separation regions, can be by expanding magnetic separation disk 01-4 Diameter and adjust the height on arc landslide and length realizes better dispersion effect;From<The dispersion of the fine particle product of 3mm is imitated From the point of view of fruit, the stabilization of the hopper, the stepped achievable magnetic separation disk 01-4 feedings of discharging adjusting that are arranged in the utility model.
The utility model is arranged in the disk side position of magnetic separation disk 01-4, the rotary body of shape, section in magnetic system 01-5 It is designed as horizontal length adjustable section to form with 135 degree of arcs, horizontal length is determined according to the beneficiation test effect at design initial stage Specific length, and can be increased or decreased according to the difference of flowability of different material, to reach the needs that can meet actual production.
For further, it can also consider in the present invention, the blocking material ring 01-3 includes that multilayer is detachably justified Ring steel plate, the detachable ring steel plate of multilayer are arranged in stepped, and the height of the blocking material ring 01-3 is according to live material Mobility is adjusted.
As an example, in the present invention, low-grade magnetite particle of the granularity through classification less than 3mm is from feeding mouth After 01-1 feeds magnetic separator, the seasoning spreading box 01-2 being connected into the magnetic separation disk 01-4 with " flying saucer " shape, seasoning spreading box 01-2 and magnetic Disk 01-4 is selected to be rotated under the driving of the driving device of frequency control, in rotary course, under by centrifugation force effect, magnetic iron ore Grain enters the top surface of magnetic separation disk 01-4 from the annular through-hole of the bottoms seasoning spreading box 01-2 by adjustable for height blocking material ring 01-3, in weight For power component under the action of centrifugal force, magnetite ore particles accelerate to magnetic separation disk from seasoning spreading box 01-2 to magnetic separation disk 01-4 boundary slips The horizontal segment at the edge of 01-4;Due to setting magnetic system 01-5 below the edge of magnetic separation disk 01-4 and the horizontal segment of upper cambered surface;It is magnetic Under the influence of a magnetic field, after magnetic force counteracts centrifugal force, remaining magnetic force slows down to magnetic-particle to particle, the magnetic after deceleration Property particle is moved along the arched plate side of magnetic separation disk 01-4, the magnetic-particle partical gravity during moving downward on arched plate side Gradually increase, in magnetic separation disk 01-4 ragged edges, partical gravity reaches maximum, in centrifugal force and magneticaction magnetic particle edge The lower half magnetic separation disk 01-4 apparent motion, progressively disengage magnetic field;After being detached from magnetic field, the gradual distance of magnetic-particle exists in setting On the arc stock guide of the magnetic separation lower half disk 01-4 surface setting, under the acceleration of stock guide, after moving to the end of stock guide It is detached from magnetic separation disk 01-4, is detached from after magnetic-particle after magnetic separation disk 01-4 falls into the hopper of taper and magnetic separator is discharged;Non-magnetic particle Due to not by magnetic fields, after accelerating to the horizontal segment at the edge of magnetic separation disk 01-4, under the action of the centrifugal force, being detached from magnetic separation disk After falling into magnetic separator lower housing 01-9, magnetic separator is discharged in 01-4.
The utility model ore dressing process, after dry milling, through classifying screen or selects powder suitable for low-grade magnetite Grain size after machine classification<The dry method of the fine particle product of 3mm throws tail, due to being disperseed using center feeding, Centrifugal dispersion, landslide acceleration, Edge sorts technological means, it can be achieved that sorting result more better than traditional magnetic pulley dry type pre-selection device.
The utility model mainly utilizes magnetic-particle different from the stress of non-magnetic particle and the change of each stage stress Change, realizes the separation of magnetic-particle and non-magnetic particle, each stage stress is as shown in Figure of description 9-a to Fig. 9-h.Wherein: S-- support forces, G-- gravity, F-- frictional force, M-- magnetic force, W-- centrifugal force.
From in figure:
First stage:Material off center spreading bucket, accelerates and is disperseed on landslide;
Second stage:Material accelerates to the landslide end flat section stage, and magnetic-particle is slowed down by magneticaction, non-magnetic particle Continue to accelerate;
Phase III:Material slips over the stage that flat section enters 90 ° of circular arcs of center line, magnetic-particle by magneticaction close to 90 ° of circular arc slide downwards, non-magnetic particle progressively disengage the edges magnetic separation disk 01-4;
Fourth stage:Material slips over the stage that flat section enters 45 ° of circular arcs, under gravity and magnetic force force action, magnetic Grain is along 45 ° of arc surfaces, into concentrate hopper 01-11:
By analyzing the force difference it is found that the utility model foundation magnetic-particle and non-magnetic particle different phase above, Realize grain size<The dry method of the magnetic iron ore particulate of 3mm throws tail.
The utility model sorts for two steps, more advantageous to improving sorting result:From raising<The fine particle product of 3mm sorts For effect, after the magnetism and non-magnetic particle for fully accelerating dispersion enter horizontal segment, magnetic-particle is set by horizontal segment It is close to the surfaces magnetic separation disk 01-4 under the action of the magnetic force of the magnetic system 01-5 set and 135 degree of magnetic system 01-5, through magnetic force and friction The magnetic-particle to slow down under force effect finally falls into concentrate hopper 01-11 along the edges magnetic separation disk 01-4 slide downward, non magnetic Grain is detached from magnetic separation disk 01-4 due to not will continue to accelerate by the effect of magnetic system 01-5, and at the edge of magnetic separation disk 01-4;This practicality The novel horizontal segment due in landslide end specially devises magnetic system 01-5, realizes the deceleration in horizontal segment of magnetic-particle, Reach magnetic-particle and nonmagnetic speed difference, realized initial gross separation, passes through magnetic force reality in 135 degree of regions magnetic system 01-5 Now final sorting, the sorting of two steps are more advantageous to improving sorting result.
The utility model is given up using dry separation throwing, dry separation concentrate roughly grinds magnetic separation whipping, the technological process of coarse concentrate regrinding magnetic separation, It can reduce into mill amount, greatly save ore grinding cost
In conclusion the utility model can provide it is a kind of using center feeding, Centrifugal dispersion, landslide accelerate dispersion, edge Technological means is sorted, it can be achieved that sorting result more better than traditional magnetic pulley dry type pre-selection device is used for low-grade particulate magnet The dry magnetic separation equipment of mine.
The utility model is described in detail in above example, but the content is only the preferable reality of the utility model Example is applied, should not be considered as limiting the scope of the present invention.Equalization made according to the scope of application of this utility model Variation and improvement etc., should all still belong within the patent covering scope of the utility model.

Claims (8)

1. a kind of dry magnetic separation equipment for low-grade fine-grained magnetite, it is characterised in that:It is described to be used for low-grade particulate magnetic The dry magnetic separation equipment of iron ore includes shell, and feeding mouth is equipped with above the shell, seasoning spreading box, institute are equipped with below the feeding mouth It states and is provided with annular through-hole on the inside of seasoning spreading box, be provided with blocking material ring below the annular through-hole, the enclosure interior passes through support Equipped with concentrate hopper, it is equipped with magnetic separation disk above the concentrate hopper, magnetic system, the magnetic separation disk and institute are disposed in the magnetic separation disk State between the top edge of concentrate hopper that there are gaps, the seasoning spreading box, blocking material ring and magnetic separation disk to form an entirety, the entirety It is connect with frequency-conversion drive apparatus by drive shaft.
2. the dry magnetic separation equipment according to claim 1 for low-grade fine-grained magnetite, it is characterised in that:The shell Body includes upper shell, annular brace and lower housing, and the upper shell and lower housing are fixed to each other by annular brace.
3. the dry magnetic separation equipment according to claim 2 for low-grade fine-grained magnetite, it is characterised in that:On described Peep hole composition is installed on shell.
4. the dry magnetic separation equipment according to claim 2 for low-grade fine-grained magnetite, it is characterised in that:The essence Mine feed hopper bottom is connected with concentrate scraper-trough conveyer, and the lower housing bottom is connected with tailing scraper-trough conveyer.
5. the dry magnetic separation equipment according to claim 1 for low-grade fine-grained magnetite, it is characterised in that:The magnetic It selects for circle at the top of disk, the section of the magnetic separation disc side is that arc comes down, and the bottom on the arc landslide is plane, and described It is a semicircular rotary body, the guide of the surface layout multiple tracks arc of the lower half portion of the rotary body that plane, which is connected, Ring.
6. the dry magnetic separation equipment according to claim 1 for low-grade fine-grained magnetite, it is characterised in that:The magnetic System is arranged in the disk side position of magnetic separation disk, and the magnetic system includes the arcuate portion that arc angle is 135 ° and horizontally disposed adjustable Length thereof.
7. the dry magnetic separation equipment according to claim 6 for low-grade fine-grained magnetite, it is characterised in that:The arc Line part is divided into 90 degree of arc sections more than horizontal profile and is located at horizontal profile 45 degree of arc sections below.
8. the dry magnetic separation equipment according to claim 1 for low-grade fine-grained magnetite, it is characterised in that:The gear Expect that ring includes the detachable ring steel plate of multilayer, the detachable ring steel plate of multilayer is arranged in stepped, the height of the blocking material ring Degree is adjusted according to the mobility of live material.
CN201820308985.8U 2018-03-06 2018-03-06 A kind of dry magnetic separation equipment for low-grade fine-grained magnetite Active CN207941619U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108372024A (en) * 2018-03-06 2018-08-07 天津水泥工业设计研究院有限公司 A kind of dry magnetic separation equipment for low-grade fine-grained magnetite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108372024A (en) * 2018-03-06 2018-08-07 天津水泥工业设计研究院有限公司 A kind of dry magnetic separation equipment for low-grade fine-grained magnetite

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