CN106902980B - A kind of mine magnetic separator - Google Patents
A kind of mine magnetic separator Download PDFInfo
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- CN106902980B CN106902980B CN201710164637.8A CN201710164637A CN106902980B CN 106902980 B CN106902980 B CN 106902980B CN 201710164637 A CN201710164637 A CN 201710164637A CN 106902980 B CN106902980 B CN 106902980B
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- magnetic separation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
- B03C1/22—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with non-movable magnets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Abstract
The present invention relates to mine magnetic separation field, especially a kind of mine magnetic separator, including crushing mechanism, feeding mechanism, conveying mechanism and magnetic separation mechanism；For conveying mechanism for the magnetic mine that crushing mechanism exports to be transported in feeding mechanism, the delivery outlet of feeding mechanism and the entrance of magnetic separation mechanism are opposite.The structure is suitable for the magnetic mine screen choosing on mine, convenient magnetic separation on the spot, reduce the magnetic separation cost of mineral, furthermore, it is such more convenient for magnetic mine by the broken magnetic mine of crushing mechanism, its feeding mechanism easily carries out uniform distribution to magnetic mine, facilitates the production and use of equipment, improves the rate of recovery of efficiency of magnetic separation and magnetic mine.The characteristics of making full use of ore particle itself is crushed, its broken precision is higher, the structure can guarantee the safety and effectiveness that equipment uses, the structure utilizes the characteristic of magnetic mine and non-magnetic mine, more targeted collision is carried out to magnetic mine, service life of equipment is improved, which has the function of screening and being crushed again.
Description
Technical field
The present invention relates to mine magnetic separation field, especially a kind of mine magnetic separator.
Background technique
In the ore dressing field of the industries such as metallurgy, mine, need to choose magnetic material, such as select iron ore
It takes, now in industry studies dry-type magnetic extractor energetically.Presently disclosed dry-type magnetic extractor, the concentrate grade after ore dressing are past
Toward being to select high-grade mine if only required such as 30%-60% within the scope of one, these dry-type magnetic extractors ifs, has no idea
It realizes；After especially roll squeezer is applied to the crushing of magnetic iron ore, material handling capacity is quite huge, and common dry-type magnetic extractor can not
It meets the requirements.
Since magnetic mine is during magnetic separation, magnetic separation particle is different, will affect magnetic separation effect, broken therefore, it is necessary to utilize
Device is crushed, and efficiency of magnetic separation is improved, and ore particle can be broken for smaller particle and be then crushed again, pass through classification after
Broken and magnetic separation mode, obtains better magnetic separation effect.
Summary of the invention
Goal of the invention of the invention is：In view of the above problems, a kind of mine magnetic separator is provided, which is applicable in
In the magnetic mine screen choosing on mine, easily magnetic separation on the spot reduces the magnetic separation cost of mineral, in addition, after being crushed by crushing mechanism
Magnetic mine it is such more convenient for magnetic mine, feeding mechanism easily carries out uniform distribution to magnetic mine, facilitates the production of equipment
With use, improve the rate of recovery of efficiency of magnetic separation and magnetic mine.The characteristics of making full use of ore particle itself is crushed, broken essence
Du Genggao, the structure can guarantee the safety and effectiveness that equipment uses, which utilizes the characteristic of magnetic mine and non-magnetic mine, to magnetic mine
More targeted collision is carried out, service life of equipment is improved, which has the function of screening and being crushed again.
The technical solution adopted by the present invention is as follows：
The invention discloses a kind of mine magnetic separators, including crushing mechanism, feeding mechanism, conveying mechanism and magnetic separation mechanism；
Conveying mechanism for the magnetic mine that crushing mechanism exports to be transported in feeding mechanism, the delivery outlet of feeding mechanism and magnetic separation mechanism
Entrance is opposite.The structure is suitable for the magnetic mine screen choosing on mine, and easily magnetic separation on the spot reduces the magnetic separation cost of mineral, in addition,
Such more convenient for magnetic mine by the broken magnetic mine of crushing mechanism, feeding mechanism easily carries out uniform cloth to magnetic mine
Material, facilitates the production and use of equipment, improves the rate of recovery of efficiency of magnetic separation and magnetic mine.
Further, crushing mechanism includes hollow cylinder, and cylinder upper and lower ends are respectively provided with inlet port and outlet port, cylinder
Body is provided with overturning chamber, and overturning is intracavitary to be provided with discoid broken wheel, and being crushed wheel includes acceleration portion and screen cloth part, sieve position
On the outside of acceleration portion；The surface of broken wheel and the side wall cooperation of overturning chamber constitute the overturning curved surface for the overturning of magnetic mine；Accelerating
It is provided with magnet in portion, there is through-hole on screen cloth part.The design of the overturning chamber overturns mineral, utilizes the magnetic mine being introduced into
It carries out collision with the magnetic mine entered afterwards after being overturn to be crushed, the loss of reduced equipment avoids the hardness of mineral and equipment from touching
It hits, reduces the workability of device, make magnetic mine that there is different speed from non-magnetic mine using magnet, carried out brokenly using speed difference
It is broken；It can be more targeted to magnetic mine broken.
Further, there is upper and lower two overturnings chamber, two overturning chambers are respectively provided with broken wheel, overturn the side of chamber in cylinder
Wall has turning part and pars infundibularis, is crushed the middle part that wheel is located at pars infundibularis, and the surface engagement on the surface of broken wheel and turning part
The overturning curved surface for the overturning of magnetic mine is constituted, constitutes the first output channel with pars infundibularis in broken wheel.First transfer passage is convenient
The output of ore particle, in addition, the first transfer passage can utilize magnet magnetic force, so that magnetic mine is picked up-is dished out repeatedly, enable magnetic mine with
Non-magnetic mine hits broken, increase crushing effect.
Further, it is equipped with coaxial centrifugation portion below broken wheel, it is defeated forms second between pars infundibularis and centrifugation portion
Channel out, centrifugation portion band is magnetic and centrifugation portion and acceleration portion are in spindle.Second transfer passage can utilize centrifugation portion
Magnetic force makes magnetic mine be picked up-be dished out repeatedly, enables magnetic mine and non-magnetic mine hit broken, increases crushing effect.
Further, conveying mechanism includes conveyor belt, driving wheel and driven wheel, and conveyor belt is set in driving wheel and driven
Between wheel, conveyor belt tilts 20-35 °, and equal material frame is equipped in conveyor belt, flat material is arranged at intervals with above conveyor belt
Device, the flat material device are evenly distributed to the mineral aggregate in conveyor belt in equal material frame.Conveyor belt will convey crushing mechanism and
Ore particle between feeding mechanism, is convenient to the installation and use of equipment, reduce equipment by landform limit the problem of, reduction equipment
Installation cost each EM equipment module of magnetic separator is convenient to the maintenance of equipment.
Further, feeding mechanism includes being obliquely installed sieve, the mesh areas with multiple gradients on sieve, same gradient
Mesh areas mesh size is identical, and from top to bottom the mesh size of mesh areas is incremented by；In the lower section of one or more gradient mesh areas
It is provided with breaker roll, magnetic mine is output on magnetic separation mechanism after breaker roll is broken.The design of the sieve mechanism, the charging of the structure
Mechanism, the magnetic mine that can not handle magnetic separation mechanism carry out screening and are crushed, avoid the excessive damage caused by equipment of ore particle, mention
The service life that high device uses.
Further, magnetic separation mechanism includes magnetic roller, driving wheel, magnetic separation belt, magnetic system, fine fodder bucket, dedusting mechanism and waste material
Bucket；Magnetic separation belt is set between magnetic roller and driving wheel, and the inside of magnetic separation belt lower belt, and the magnetic field of magnetic system is arranged in magnetic system
It is continuous with the magnetic field of magnetic roller；Fine fodder bucket is located at the end in magnetic system magnetic field, and waste material bucket is located at the downside of magnetic roller, and dedusting mechanism is located at magnetic
System downside, dedusting mechanism include air blower and suction ventilator, and the air-flow that air blower and suction ventilator cooperation blow out air blower is through magnetic system
The magnetic separation belt of lower section reflexes in suction ventilator.The design of the magnetic separation mechanism can carry out magnetic separation to short grained magnetic mine, and right
Bulky grain magnetic mine is crushed, in addition, its dedusting mechanism can effectively be handled the dust being mingled in concentrate, improves essence
The purity of mine reduces the subsequent processes of concentrate, improves energy conservation and consumption reduction effects, simplifies process.
Further, magnetic separation system further includes controller；
Crushing mechanism includes hollow cylinder, and cylinder upper and lower ends are respectively provided with inlet port and outlet port, tool in cylinder
Two overturning chambers above and below having, two overturning chambers are respectively provided with discoid broken wheel, are crushed wheel and include acceleration portion and screen cloth part,
Screen cloth part is located on the outside of acceleration portion and has through-hole on screen cloth part；The side wall for overturning chamber has turning part and pars infundibularis, is crushed wheel
Positioned at the middle part of pars infundibularis, and the surface of broken wheel and the surface engagement of turning part constitute the overturning curved surface for the overturning of magnetic mine,
The first output channel is constituted with pars infundibularis in broken wheel, is provided with magnet in acceleration portion；It is equipped with below broken wheel same with it
The centrifugation portion of axis, forms the second output channel between pars infundibularis and centrifugation portion, centrifugation portion band is magnetic and centrifugation portion and acceleration portion
It is in spindle；Magnetic mine is into its next square by its first output channel and the second output channel after overturning chamber is broken
Overturn chamber or output；
Conveying mechanism includes conveyor belt, driving wheel and driven wheel, and conveyor belt is set between driving wheel and driven wheel,
Conveyor belt tilts 20-35 °, and equal material frame is equipped in conveyor belt, and flat material device is arranged at intervals with above conveyor belt, should
Flat material device is evenly distributed to the mineral aggregate in conveyor belt in equal material frame.
Feeding mechanism includes being obliquely installed sieve, and there are three the mesh areas of gradient, respectively the first mesh for tool on sieve
Area, the second mesh areas, third mesh areas；The mesh of second mesh areas is less than the mesh of third mesh areas and is greater than the first mesh areas
Mesh；The first breaker roll and the second breaker roll, magnetic mine warp have been respectively arranged below in the second mesh areas and third mesh areas
It is output on magnetic separation mechanism after breaker roll is broken；
Magnetic separation mechanism includes magnetic roller, driving wheel, magnetic separation belt, magnetic system, fine fodder bucket, dedusting mechanism and waste material bucket；Magnetic separation skin
Band is arranged between left magnetic roller and driving wheel, and magnetic system is arranged in the inside of magnetic separation belt lower belt, and the magnetic field of magnetic system and magnetic roller
Magnetic field is continuous；Fine fodder bucket is located at the end in magnetic system magnetic field, and waste material bucket is located at the downside of magnetic roller, and dedusting mechanism is located on the downside of magnetic system,
Dedusting mechanism includes air blower and suction ventilator, and the air-flow that air blower and suction ventilator cooperation blow out air blower is through the magnetic below magnetic system
Belt is selected to reflex in suction ventilator；
Controller is electrically connected with the circuit part of crushing mechanism, feeding mechanism, conveying mechanism and magnetic separation mechanism respectively.
The design of the crushing mechanism can effective protection equipment itself, magnetic mine carries out after being overturn with the magnetic mine that enters afterwards
Collision is broken, and the loss of reduced equipment avoids the hard collision of mineral and equipment, reduces the workability of device, utilizes magnetic
Body makes magnetic mine have different speed from non-magnetic mine, is crushed using speed difference；Can be more targeted to magnetic mine broken,
It is convenient to the subsequent magnetic separation of magnetic mine；The conveying mechanism conveys material, problem difficult to install caused by avoiding device is excessive；It should be into
Material mechanism organically combines screening plant and crushing device, by the design of mesh, realizes the classifying screen of different size ore particle
Choosing, avoids bulky grain magnetic mine from being unfavorable for influence caused by magnetic separation；The magnetic separation mechanism can be improved efficiency of magnetic separation, guarantee magnetic separation effect
Fruit improves concentrate rate.
Further, magnetic selection method is：
Step 1：Ore particle with ore particle is put into size crushing mechanism and is crushed, is fallen under broken ore particle
On conveying mechanism, conveying mechanism includes conveyor belt, and equal material frame in conveyor belt, the interval setting of conveyor belt top is flat to expect to fill
It sets, flat material device strikes off ore particle in equal material frame, and conveyor belt is quantitative to be transported to ore particle in feeding mechanism；
Step 2：Short grained ore particle is fallen into magnetic separation mechanism by the mesh of sieve, and the ore particle of bulky grain is along screen surface
It glides, and falls in mesh areas corresponding with the ore particle size, and fall into magnetic separation mechanism after crushing；
Step 3：Magnetic separation mechanism carries out throwing tail to non-magnetic mine, carries out magnetic separation to magnetic mine, drum is arranged at the magnetic field of magnetic separation mechanism
Blower and suction ventilator carry out soot blowing to the magnetic mine at magnetic field end using the air-flow of air blower blowout, and air-flow is reflected to suction after soot blowing
In blower.
Ore particle, is first crushed by the magnetic selection method, avoids the problem that bulky grain ore particle is unfavorable for magnetic separation, in addition, passing through
It screens and broken, guarantees the property uniform in size of magnetic mine particle, the mineral aggregate on belt is then made by conveying mechanism peace material device
Uniformly, guarantee Homogeneous charge；Then it is fed by feeding mechanism, sieve and breaker roll is utilized in feeder process, guarantee small
The ore particle of grain rapidly enters magnetic dressing process, and the ore particle of bulky grain enters magnetic dressing process after broken, improves the efficiency of magnetic separation
With the rate of recovery of magnetic mine.
Further, magnetic selection method is：
Step 1：Ore particle enters crusher chamber and contacts with broken wheel and accelerated by acceleration portion；In ore particle accelerator, magnet magnetic
Power makes magnetic mine speed be less than non-magnetic mine speed, and the Ci Kuang first accelerated collides with the non-magnetic mine accelerated afterwards, completes the first of ore particle
Mill；
Step 2：It cannot be risen by the ore particle of screen cloth part along screen cloth part, then be rolled along turning part, turning part is by big
The ore particle of grain is overturn and is dished out with the vertical direction of ore particle acceleration direction；Ore particle after overturning is touched with the ore particle at acceleration portion
It hits, completes regrinding for ore particle；
Step 3：The ore particle for crossing screen cloth part is moved along the first transfer passage, and when moving magnetic mine in acceleration portion and pars infundibularis
Between adsorb-dish out repeatedly, ore particle enter the second transfer passage after, the absorption-throwing repeatedly between centrifugation portion and pars infundibularis of magnetic mine
Out, make magnetic mine and non-magnetic mine impact several times, realize mill eventually；
Step 4：The broken ore particle of crushing mechanism is fallen in conveyor belt, and flat material device scrapes the mineral aggregate in conveyor belt
Flat, then, ore particle is transported in feeding mechanism by conveyor belt；
Step 5：Little particle ore particle into feeding mechanism is fallen on magnetic separation belt under the first mesh areas；Middle particle sliding
After to the second mesh areas after the first breaker roll is broken, fall on magnetic separation belt；Middle particle slides into behind third mesh areas through
After sledging roller is broken, fall on magnetic separation belt；
Step 6：Magnetic separation Belt Conveying ore particle, and at left magnetic roller to non-magnetic mine throw tail, magnetic mine be adsorbed on magnetic separation belt after
Continuous conveying, at the magnetic field of magnetic system, air blower carries out soot blowing to magnetic mine, and air-flow enters suction ventilator after the reflection of magnetic separation belt；?
The end in magnetic system magnetic field, magnetic mine are fallen into concentrate bucket.
This method, the characteristics of making full use of ore particle itself, are crushed, and broken precision is higher, which can guarantee
The safety and effectiveness that equipment uses, the structure utilize the characteristic of magnetic mine and non-magnetic mine, carry out more targeted collision to magnetic mine,
The structure is not direct to collide with equipment itself, improves the service life of device and reduces the loss of equipment.Using magnetic mine with
The characteristic of non-magnetic mine after screening to little particle magnetic mine, carries out magnetic separation to equipment again, improves efficiency of magnetic separation and validity,
The service life that equipment uses is improved, percentage of damage is improved, is convenient to the broken magnetic separation of magnetic mine.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1. the structure is suitable for the magnetic mine screen choosing on mine, easily magnetic separation on the spot reduces the magnetic separation cost of mineral, this
Outside, such more convenient for magnetic mine by the broken magnetic mine of crushing mechanism, feeding mechanism easily carries out magnetic mine uniform
Cloth facilitates the production and use of equipment, improves the rate of recovery of efficiency of magnetic separation and magnetic mine.
2. the characteristics of making full use of ore particle itself is crushed, broken precision is higher, which can guarantee equipment
The safety and effectiveness used, the structure utilize the characteristic of magnetic mine and non-magnetic mine, carry out more targeted collision to magnetic mine, improve
Service life of equipment, the feeding mechanism have the function of screening and being crushed again.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the structure chart of mine magnetic separator.
Appended drawing reference：1- crushing mechanism, 2- feeding mechanism, 3- magnetic separation mechanism, 4- dedusting mechanism, 5- fine fodder bucket, 6- waste material
Bucket, 7- conveying mechanism.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
?.
Embodiment 1
As shown in Figure 1, of the invention the invention discloses a kind of mine magnetic separator, including crushing mechanism 1, feeding mechanism 2,
Conveying mechanism 7 and magnetic separation mechanism 3；Conveying mechanism 7 is used to for the magnetic mine that crushing mechanism 1 exports being transported in feeding mechanism 2, into
Expect that the delivery outlet of mechanism 2 is opposite with the entrance of magnetic separation mechanism 3.
Crushing mechanism 1 includes hollow cylinder, and cylinder upper and lower ends are respectively provided with inlet port and outlet port, cylinder setting
There is overturning chamber, overturning is intracavitary to be provided with discoid broken wheel, and being crushed wheel includes acceleration portion and screen cloth part, and screen cloth part is located at acceleration
On the outside of portion；The surface of broken wheel and the side wall cooperation of overturning chamber constitute the overturning curved surface for the overturning of magnetic mine；It is set in acceleration portion
It is equipped with magnet, there is through-hole on screen cloth part.The design of the overturning chamber overturns mineral, is turned over using the magnetic mine being introduced into
It carries out collision with the magnetic mine entered afterwards after turning to be crushed, the loss of reduced equipment avoids the hard collision of mineral and equipment, reduces
The workability of device is made magnetic mine have different speed from non-magnetic mine, is crushed using speed difference using magnet；It can be right
Magnetic mine is more targeted broken.
There is upper and lower two overturnings chamber, two overturning chambers are respectively provided with broken wheel, and the side wall for overturning chamber has in cylinder
Turning part and pars infundibularis are crushed the middle part that wheel is located at pars infundibularis, and the surface of broken wheel and the surface engagement of turning part are constituted and used
In the overturning curved surface of magnetic mine overturning, the first output channel is constituted with pars infundibularis in broken wheel.First transfer passage facilitates ore particle
Output makes magnetic mine be picked up-be dished out repeatedly, enables magnetic mine and non-magnetic mine in addition, the first transfer passage can utilize the magnetic force of magnet
Hit broken, increase crushing effect.
It is equipped with coaxial centrifugation portion below broken wheel, forms the second output channel between pars infundibularis and centrifugation portion,
Centrifugation portion band is magnetic and centrifugation portion and acceleration portion are in spindle.Second transfer passage can utilize the magnetic force in centrifugation portion, make
Magnetic mine is picked up repeatedly-is dished out, and is enabled magnetic mine and non-magnetic mine hit broken, is increased crushing effect.
Conveying mechanism 7 includes conveyor belt, driving wheel and driven wheel, conveyor belt be set in driving wheel and driven wheel it
Between, conveyor belt tilts 20-35 °, and equal material frame is equipped in conveyor belt, and flat material dress is arranged at intervals with above conveyor belt
It sets, which be evenly distributed to the mineral aggregate in conveyor belt in equal material frame.Conveyor belt will convey crushing mechanism 1 and into
Expect the ore particle between mechanism 2, be convenient to the installation and use of equipment, reduce equipment by landform limit the problem of, reduction equipment
Installation cost each EM equipment module of magnetic separator is convenient to the maintenance of equipment.
Feeding mechanism 2 includes being obliquely installed sieve, the mesh areas with multiple gradients on sieve, same gradient mesh areas
Mesh size is identical, and from top to bottom the mesh size of mesh areas is incremented by；It is provided with below one or more gradient mesh areas
Breaker roll, magnetic mine are output on magnetic separation mechanism 3 after breaker roll is broken.The design of the sieve mechanism, the feeding mechanism of the structure
2, the magnetic mine that can not handle magnetic separation mechanism 3 carries out screening and is crushed, and avoids the excessive damage caused by equipment of ore particle, improves
The service life that device uses.
Magnetic separation mechanism 3 includes magnetic roller, driving wheel, magnetic separation belt, magnetic system, fine fodder bucket 5, dedusting mechanism 4 and waste material bucket 6；Magnetic
Belt is selected to be set between magnetic roller and driving wheel, the inside of magnetic separation belt lower belt, and the magnetic field of magnetic system and magnetic is arranged in magnetic system
The magnetic field of roller is continuous；Fine fodder bucket 5 is located at the end in magnetic system magnetic field, and waste material bucket 6 is located at the downside of magnetic roller, and dedusting mechanism 4 is located at magnetic
System downside, dedusting mechanism 4 include air blower and suction ventilator, and the air-flow that air blower and suction ventilator cooperation blow out air blower is through magnetic system
The magnetic separation belt of lower section reflexes in suction ventilator.
The structure is suitable for the magnetic mine screen choosing on mine, and easily magnetic separation on the spot reduces the magnetic separation cost of mineral, in addition,
Such more convenient for magnetic mine by the broken magnetic mine of crushing mechanism 1, feeding mechanism 2 easily carries out uniform cloth to magnetic mine
Material, facilitates the production and use of equipment, improves the rate of recovery of efficiency of magnetic separation and magnetic mine.The design of the magnetic separation mechanism 3 can
Magnetic separation is carried out to short grained magnetic mine, and bulky grain magnetic mine is crushed, in addition, its dedusting mechanism 4 can effectively will be smart
The dust being mingled in mine is handled, and the purity of concentrate is improved, and reduces the subsequent processes of concentrate, improves energy-saving effect
Fruit simplifies process.
Embodiment 2
A kind of mine magnetic separation system, crushing mechanism 1, feeding mechanism 2, conveying mechanism 7, magnetic separation mechanism 3 and controller；
Crushing mechanism 1 includes hollow cylinder, and cylinder upper and lower ends are respectively provided with inlet port and outlet port, tool in cylinder
Two overturning chambers above and below having, two overturning chambers are respectively provided with discoid broken wheel, are crushed wheel and include acceleration portion and screen cloth part,
Screen cloth part is located on the outside of acceleration portion and has through-hole on screen cloth part；The side wall for overturning chamber has turning part and pars infundibularis, is crushed wheel
Positioned at the middle part of pars infundibularis, and the surface of broken wheel and the surface engagement of turning part constitute the overturning curved surface for the overturning of magnetic mine,
The first output channel is constituted with pars infundibularis in broken wheel, is provided with magnet in acceleration portion；It is equipped with below broken wheel same with it
The centrifugation portion of axis, forms the second output channel between pars infundibularis and centrifugation portion, centrifugation portion band is magnetic and centrifugation portion and acceleration portion
It is in spindle；Magnetic mine is into its next square by its first output channel and the second output channel after overturning chamber is broken
Overturn chamber or output；
Conveying mechanism 7 includes conveyor belt, driving wheel and driven wheel, conveyor belt be set in driving wheel and driven wheel it
Between, conveyor belt tilts 20-35 °, and equal material frame is equipped in conveyor belt, and flat material dress is arranged at intervals with above conveyor belt
It sets, which be evenly distributed to the mineral aggregate in conveyor belt in equal material frame.
Feeding mechanism 2 includes being obliquely installed sieve, and there are three the mesh areas of gradient, respectively the first mesh for tool on sieve
Area, the second mesh areas, third mesh areas；The mesh of second mesh areas is less than the mesh of third mesh areas and is greater than the first mesh areas
Mesh；The first breaker roll and the second breaker roll, magnetic mine warp have been respectively arranged below in the second mesh areas and third mesh areas
It is output on magnetic separation mechanism 3 after breaker roll is broken；
Magnetic separation mechanism 3 includes magnetic roller, driving wheel, magnetic separation belt, magnetic system, fine fodder bucket 5, dedusting mechanism 4 and waste material bucket 6；Magnetic
Belt is selected to be set between magnetic roller and driving wheel, the inside of magnetic separation belt lower belt, and the magnetic field of magnetic system and magnetic is arranged in magnetic system
The magnetic field of roller is continuous；Fine fodder bucket 5 is located at the end in magnetic system magnetic field, and waste material bucket 6 is located at the downside of magnetic roller, and dedusting mechanism 4 is located at magnetic
System downside, dedusting mechanism 4 include air blower and suction ventilator, and the air-flow that air blower and suction ventilator cooperation blow out air blower is through magnetic system
The magnetic separation belt of lower section reflexes in suction ventilator；
Circuit part of the controller respectively with crushing mechanism 1, feeding mechanism 2, conveying mechanism 7 and magnetic separation mechanism 3 is electrically connected
It connects.
The design of the crushing mechanism 1 can effective protection equipment itself, magnetic mine overturn after with the magnetic mine that enters afterwards into
Row collision is broken, and the loss of reduced equipment avoids the hard collision of mineral and equipment, reduces the workability of device, utilizes
Magnet makes magnetic mine have different speed from non-magnetic mine, is crushed using speed difference；It can be more targeted to magnetic mine broken
It is broken, it is convenient to the subsequent magnetic separation of magnetic mine；The conveying mechanism 7 conveys material, problem difficult to install caused by avoiding device is excessive；
The feeding mechanism 2 organically combines screening plant and crushing device, by the design of mesh, realizes point of different size ore particle
Grade screening, avoids bulky grain magnetic mine from being unfavorable for influence caused by magnetic separation；The magnetic separation mechanism 3 can be improved efficiency of magnetic separation, guarantee magnetic
Effect is selected, concentrate rate is improved.
Embodiment 3
The magnetic separation system of magnetic separator or embodiment 2 based on embodiment 1, magnetic selection method are：
Step 1：Ore particle with ore particle is put into size crushing mechanism 1 and is crushed, broken ore particle falls
Onto conveying mechanism 7, conveying mechanism 7 includes conveyor belt, equal material frame in conveyor belt, the flat material of conveyor belt top interval setting
Device, flat material device strike off ore particle in equal material frame, and conveyor belt is quantitative to be transported to ore particle in feeding mechanism 2；
Step 2：Short grained ore particle is fallen into magnetic separation mechanism 3 by the mesh of sieve, and the ore particle of bulky grain is along sieve table
Face glides, and falls in mesh areas corresponding with the ore particle size, and fallen into magnetic separation mechanism 3 after crushing；
Step 3：Magnetic separation mechanism 3 carries out throwing tail to non-magnetic mine, carries out magnetic separation to magnetic mine, is arranged at the magnetic field of magnetic separation mechanism 3
Air blower and suction ventilator carry out soot blowing to the magnetic mine at magnetic field end using the air-flow of air blower blowout, and air-flow is reflected to after soot blowing
In suction ventilator.
Ore particle, is first crushed by the magnetic selection method, avoids the problem that bulky grain ore particle is unfavorable for magnetic separation, in addition, passing through
Then screening and broken, the property uniform in size of guarantee magnetic mine particle make the mineral aggregate on belt by 7 peace material device of conveying mechanism
Uniformly, guarantee Homogeneous charge；Then it is fed by feeding mechanism 2, sieve and breaker roll is utilized in feeder process, guarantee small
The ore particle of grain rapidly enters magnetic dressing process, and the ore particle of bulky grain enters magnetic dressing process after broken, improves the efficiency of magnetic separation
With the rate of recovery of magnetic mine.
Embodiment 4
Based on the magnetic separation system of embodiment 2, magnetic selection method is：
Step 1：Ore particle enters crusher chamber and contacts with broken wheel and accelerated by acceleration portion；In ore particle accelerator, magnet magnetic
Power makes magnetic mine speed be less than non-magnetic mine speed, and the Ci Kuang first accelerated collides with the non-magnetic mine accelerated afterwards, completes the first of ore particle
Mill；
Step 2：It cannot be risen by the ore particle of screen cloth part along screen cloth part, then be rolled along turning part, turning part is by big
The ore particle of grain is overturn and is dished out with the vertical direction of ore particle acceleration direction；Ore particle after overturning is touched with the ore particle at acceleration portion
It hits, completes regrinding for ore particle；
Step 3：The ore particle for crossing screen cloth part is moved along the first transfer passage, and when moving magnetic mine in acceleration portion and pars infundibularis
Between adsorb-dish out repeatedly, ore particle enter the second transfer passage after, the absorption-throwing repeatedly between centrifugation portion and pars infundibularis of magnetic mine
Out, make magnetic mine and non-magnetic mine impact several times, realize mill eventually；
Step 4：The broken ore particle of crushing mechanism 1 is fallen in conveyor belt, puts down material device for the mineral aggregate in conveyor belt
It strikes off, then, ore particle is transported in feeding mechanism 2 by conveyor belt；
Step 5：Little particle ore particle into feeding mechanism 2 is fallen on magnetic separation belt under the first mesh areas；Middle particle is sliding
After moving to the second mesh areas after the first breaker roll is broken, fall on magnetic separation belt；Middle particle passes through after sliding into third mesh areas
After second breaker roll is broken, fall on magnetic separation belt；
Step 6：Magnetic separation Belt Conveying ore particle, and at left magnetic roller to non-magnetic mine throw tail, magnetic mine be adsorbed on magnetic separation belt after
Continuous conveying, at the magnetic field of magnetic system, air blower carries out soot blowing to magnetic mine, and air-flow enters suction ventilator after the reflection of magnetic separation belt；?
The end in magnetic system magnetic field, magnetic mine are fallen into concentrate bucket.
This method, the characteristics of making full use of ore particle itself, are crushed, and broken precision is higher, which can guarantee
The safety and effectiveness that equipment uses, the structure utilize the characteristic of magnetic mine and non-magnetic mine, carry out more targeted collision to magnetic mine,
The structure is not direct to collide with equipment itself, improves the service life of device and reduces the loss of equipment.Using magnetic mine with
The characteristic of non-magnetic mine after screening to little particle magnetic mine, carries out magnetic separation to equipment again, improves efficiency of magnetic separation and validity,
The service life that equipment uses is improved, percentage of damage is improved, is convenient to the broken magnetic separation of magnetic mine.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (9)
1. a kind of mine magnetic separator, which is characterized in that including crushing mechanism（1）, feeding mechanism（2）, conveying mechanism（7）And magnetic
Select mechanism（3）；Conveying mechanism（7）For by crushing mechanism（1）The magnetic mine of output is transported to feeding mechanism（2）In, feeding mechanism
（2）Delivery outlet and magnetic separation mechanism（3）Entrance it is opposite；Crushing mechanism（1）Including hollow cylinder, cylinder upper and lower ends difference
Provided with inlet port and outlet port, cylinder is provided with overturning chamber, and overturning is intracavitary to be provided with discoid broken wheel, and broken wheel includes
Acceleration portion and screen cloth part, screen cloth part are located on the outside of acceleration portion；The surface of broken wheel and the side wall cooperation of overturning chamber constitute and are used for magnetic
The overturning curved surface of mine overturning；It is provided with magnet in acceleration portion, there is through-hole on screen cloth part.
2. mine magnetic separator as described in claim 1, which is characterized in that there is upper and lower two overturnings chamber, two are turned in cylinder
Turning chamber and is respectively provided with broken wheel, the side wall for overturning chamber has turning part and pars infundibularis, it is crushed the middle part that wheel is located at pars infundibularis, and
The surface of broken wheel and the surface engagement of turning part constitute the overturning curved surface for the overturning of magnetic mine, constitute in broken wheel with pars infundibularis
First output channel.
3. mine magnetic separator as claimed in claim 2, which is characterized in that be equipped with coaxial centrifugation below broken wheel
Portion forms the second output channel between pars infundibularis and centrifugation portion, centrifugation portion band is magnetic and centrifugation portion and acceleration portion are in spindle
Shape.
4. mine magnetic separator as described in claim 1, which is characterized in that conveying mechanism（7）Including conveyor belt, driving wheel and
Driven wheel, conveyor belt are set between driving wheel and driven wheel, and conveyor belt tilts 20-35 °, are equipped in conveyor belt equal
Material frame is arranged at intervals with flat material device above conveyor belt, which be evenly distributed to the mineral aggregate in conveyor belt
In equal material frame.
5. mine magnetic separator as described in claim 1, which is characterized in that feeding mechanism（2）Including being obliquely installed sieve, sieve
On the net with the mesh areas of multiple gradients, same gradient mesh areas mesh size is identical, from top to bottom the mesh size of mesh areas
It is incremented by；Breaker roll is provided with below one or more gradient mesh areas, magnetic mine is output to magnetic separator after breaker roll is broken
Structure（3）On.
6. mine magnetic separator as described in claim 1, which is characterized in that magnetic separation mechanism（3）Including magnetic roller, driving wheel, magnetic separation
Belt, magnetic system, fine fodder bucket（5）, dedusting mechanism（4）And waste material bucket（6）；Magnetic separation belt is set between magnetic roller and driving wheel, magnetic
The inside of magnetic separation belt lower belt is arranged in system, and the magnetic field of magnetic system and the magnetic field of magnetic roller are continuous；Fine fodder bucket（5）Positioned at magnetic system magnetic
The end of field, waste material bucket（6）Positioned at the downside of magnetic roller, dedusting mechanism（4）On the downside of magnetic system, dedusting mechanism（4）Including air blast
The air-flow that machine and suction ventilator, air blower and suction ventilator cooperation blow out air blower reflexes to air draught through the magnetic separation belt below magnetic system
In machine.
7. mine magnetic separator as described in claim 1, which is characterized in that its magnetic separation system further includes controller；
Crushing mechanism（1）Including hollow cylinder, cylinder upper and lower ends are respectively provided with inlet port and outlet port, have in cylinder
Upper and lower two overturnings chamber, two overturning chambers are respectively provided with discoid broken wheel, and being crushed wheel includes acceleration portion and screen cloth part, sieve
Wet end is located on the outside of acceleration portion and has through-hole on screen cloth part；The side wall for overturning chamber has turning part and pars infundibularis, is crushed wheel position
In the middle part of pars infundibularis, and the surface of broken wheel and the surface engagement of turning part constitute the overturning curved surface for the overturning of magnetic mine,
Broken wheel constitutes the first output channel with pars infundibularis, is provided with magnet in acceleration portion；It is equipped with below broken wheel coaxial
Centrifugation portion, the second output channel is formed between pars infundibularis and centrifugation portion, centrifugation portion band is magnetic and centrifugation portion and acceleration portion are equal
In spindle；Magnetic mine is turned over after overturning chamber is broken by the way that its first output channel and the second output channel are into its next square
Turn chamber or output；
Conveying mechanism（7）Including conveyor belt, driving wheel and driven wheel, conveyor belt is set between driving wheel and driven wheel,
Conveyor belt tilts 20-35 °, and equal material frame is equipped in conveyor belt, and flat material device is arranged at intervals with above conveyor belt, should
Flat material device is evenly distributed to the mineral aggregate in conveyor belt in equal material frame;
Feeding mechanism（2）Including being obliquely installed sieve, there are three the mesh areas of gradient, respectively the first mesh for tool on sieve
Area, the second mesh areas, third mesh areas；The mesh of second mesh areas is less than the mesh of third mesh areas and is greater than the first mesh areas
Mesh；The first breaker roll and the second breaker roll, magnetic mine warp have been respectively arranged below in the second mesh areas and third mesh areas
Magnetic separation mechanism is output to after breaker roll is broken（3）On；
Magnetic separation mechanism（3）Including magnetic roller, driving wheel, magnetic separation belt, magnetic system, fine fodder bucket（5）, dedusting mechanism（4）And waste material bucket
（6）；Magnetic separation belt is set between magnetic roller and driving wheel, and the inside of magnetic separation belt lower belt, and the magnetic of magnetic system is arranged in magnetic system
Field is continuous with the magnetic field of magnetic roller；Fine fodder bucket（5）Positioned at the end in magnetic system magnetic field, waste material bucket（6）Positioned at the downside of magnetic roller, dust removal machine
Structure（4）On the downside of magnetic system, dedusting mechanism（4）Including air blower and suction ventilator, air blower blows air blower with suction ventilator cooperation
Air-flow out reflexes in suction ventilator through the magnetic separation belt below magnetic system；
Controller respectively with crushing mechanism（1）, feeding mechanism（2）, conveying mechanism（7）And magnetic separation mechanism（3）Circuit part electricity
Connection.
8. mine magnetic separator as claimed in claim 5, which is characterized in that magnetic selection method is：
Step 1：Ore particle with ore particle is put into size crushing mechanism（1）In be crushed, fallen under broken ore particle
Conveying mechanism（7）On, conveying mechanism（7）Including conveyor belt, equal material frame in conveyor belt, conveyor belt top interval setting is put down
Expect that device, flat material device strike off ore particle in equal material frame, conveyor belt is quantitative to be transported to feeding mechanism for ore particle（2）In；
Step 2：Short grained ore particle falls into magnetic separation mechanism by the mesh of sieve（3）In, the ore particle of bulky grain is along screen surface
It glides, and falls in mesh areas corresponding with the ore particle size, and fall into magnetic separation mechanism after crushing（3）In；
Step 3：Magnetic separation mechanism（3）Throwing tail is carried out to non-magnetic mine, magnetic separation, magnetic separation mechanism are carried out to magnetic mine（3）Magnetic field at be arranged
Air blower and suction ventilator carry out soot blowing to the magnetic mine at magnetic field end using the air-flow of air blower blowout, and air-flow is reflected to after soot blowing
In suction ventilator.
9. mine magnetic separator as claimed in claim 7, which is characterized in that magnetic selection method is：
Step 1：Ore particle enters crusher chamber and contacts with broken wheel and accelerated by acceleration portion；In ore particle accelerator, magnet magnetic force makes
Magnetic mine speed is less than non-magnetic mine speed, and the Ci Kuang first accelerated collides with the non-magnetic mine accelerated afterwards, completes the preliminary grinding of ore particle；
Step 2：It cannot be risen by the ore particle of screen cloth part along screen cloth part, then be rolled along turning part, turning part is by bulky grain
Ore particle is overturn and is dished out with the vertical direction of ore particle acceleration direction；Ore particle after overturning collides with the ore particle at acceleration portion,
Complete regrinding for ore particle；
Step 3：The ore particle for crossing screen cloth part is moved along the first transfer passage, and when moving magnetic mine between acceleration portion and pars infundibularis
It adsorbs-dishes out repeatedly, after ore particle enters the second transfer passage, magnetic mine is adsorbed repeatedly between centrifugation portion and pars infundibularis-dished out, and is made
Magnetic mine and non-magnetic mine impact several times realize mill eventually；
Step 4：Crushing mechanism（1）Broken ore particle is fallen in conveyor belt, and flat material device scrapes the mineral aggregate in conveyor belt
Flat, then, ore particle is transported to feeding mechanism by conveyor belt（2）In；
Step 5：Into feeding mechanism（2）Little particle ore particle fallen under the first mesh areas on magnetic separation belt；Middle particle sliding
After to the second mesh areas after the first breaker roll is broken, fall on magnetic separation belt；Middle particle slides into behind third mesh areas through
After sledging roller is broken, fall on magnetic separation belt；
Step 6：Magnetic separation Belt Conveying ore particle, and at left magnetic roller to non-magnetic mine throw tail, magnetic mine be adsorbed on magnetic separation belt continue it is defeated
It send, at the magnetic field of magnetic system, air blower carries out soot blowing to magnetic mine, and air-flow enters suction ventilator after the reflection of magnetic separation belt；In magnetic system
The end in magnetic field, magnetic mine are fallen into concentrate bucket.
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| CN115970890B (en) * | 2023-03-17 | 2023-05-12 | 山东松海机械设备有限公司 | Tailing dry separation equipment for mine exploitation |
| CN116651612B (en) * | 2023-07-31 | 2023-09-29 | 潍坊追日磁电科技有限公司 | Efficient magnetic separator |
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| CN2131609Y (en) * | 1992-06-22 | 1993-05-05 | 张明 | Magnetic separator for automatic separation of iron sand |
| JPH11197530A (en) * | 1998-01-09 | 1999-07-27 | Takuma Co Ltd | Crushing and classifying treatment system for waste containing material inadequate for crushing |
| CN2880263Y (en) * | 2006-01-17 | 2007-03-21 | 梁春喜 | Leather belt machine with magnetic separation |
| CN201287070Y (en) * | 2008-07-25 | 2009-08-12 | 谷素元 | Wet and dry magnetic separator set |
| CN102350400B (en) * | 2011-08-31 | 2013-05-08 | 成都利君实业股份有限公司 | Dry magnetic separator |
| CN102861668A (en) * | 2012-10-09 | 2013-01-09 | 四川省川威集团有限公司 | Coarse tail throwing device of dry-type magnetic rotary drum |
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