CN106111533A - A kind of mineral dry method vibration sorting unit and method - Google Patents
A kind of mineral dry method vibration sorting unit and method Download PDFInfo
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- CN106111533A CN106111533A CN201610498482.7A CN201610498482A CN106111533A CN 106111533 A CN106111533 A CN 106111533A CN 201610498482 A CN201610498482 A CN 201610498482A CN 106111533 A CN106111533 A CN 106111533A
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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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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Abstract
The present invention relates to a kind of mineral dry method vibration sorting unit and method, including separation chamber (8) and air compartment, it is filled with sorting medium solid in described separation chamber (8), described device also includes that vibrational excitation device (14), described separation chamber (8) and air compartment are controlled to produce vibration by described vibrational excitation device (14)；Described air compartment is positioned at described separation chamber (8) lower section, is provided with tilting micropore baffle plate (6) of tilt adjustable between described separation chamber (8) and described air compartment；Described method uses said apparatus to sort.This apparatus structure is simple, it is ingenious to design, and the method is easily controllable, and sharpness of separation is high, applied range, has important theory value and realistic meaning for expanding the application of dry method fluidization sorting technology.
Description
Technical field
The present invention relates to mineral dry separation technical field, particularly relate to a kind of mineral dry method vibration sorting unit and side
Method.
Background technology
The coal resources of China are mainly distributed on the drought and water-scarce area such as Shanxi, Shaanxi, Inner Mongol, Xinjiang, use wet method choosing
The technical difficulty of coal is very big, therefore develops and to promote High Effective Dry Coal Beneficiation Technology extremely urgent.In dry separation field, air weight
The advantages such as medium fluid bed dry separation technology is high with its efficiency of separation, environmental pollution is little are widely used.But conventional air
Dense media fluid bed separation technology is primarily adapted for use in the sorting of more than 6mm lump coal, the adaptation to below 6mm fine fraction sorting mineral
Property is poor.At present for the dry separation of fine fraction mineral, research worker proposes based on external force field (oscillator field, magnetic field and arteries and veins
Take offence flow field etc.) fine fraction dry coal preparation technology, but this technique study is concentrated mainly on laboratory stage, existing industry
Sorting reliability, stability and the sharpness of separation of upper separation system still need to improve further, and need to improve further sorting
The treating capacity of system.
Summary of the invention
In view of above-mentioned analysis, it is desirable to provide a kind of mineral dry method vibration sorting unit and method, in order to solve
Existing mineral dry separation device and method take off for stone-like pulse in Bed for Fine Coal dry separation, the preliminary election of finely-divided metal ore deposit and nonmetallic ore
Except difficulty, precision is low, the problem of poor stability.
The purpose of the present invention is mainly achieved through the following technical solutions:
On the one hand a kind of mineral dry method vibration sorting unit is provided, including separation chamber and air compartment, in described separation chamber
Being filled with sorting medium solid, described device also includes that vibrational excitation device, described separation chamber and air compartment are swashed by described vibration
Transmitting apparatus controls to produce vibration；Described air compartment is positioned at below described separation chamber, sets between described separation chamber and described air compartment
Being equipped with the tilting micropore baffle plate of tilt adjustable, air-flow enters separation chamber after air compartment's even distributing wind and sorts, and tilts
Type micro-hole baffle plate by change angle of inclination, can strengthening flow stability, again can according to sorting mined material demand change separation chamber
Interior fluidization environment, thus change movement locus and the regularity of distribution of mineral grain, coordinate the vibration of vibrational excitation device, increase
The moving displacement in big complicated mineral with different densities granule is poor, and the mineral grain of strengthening different densities divides according to density variation
Layer separates, and shortens the sorting time, the back-mixing in suppression assorting room；Micropore baffle plate has certain intensity, on the one hand for all
Even air-flow, is on the one hand sorted mineral and the weight of sorting medium solid in bearing separation chamber.
Further, the direction of vibration that described vibrational excitation device controls to produce is vertical direction.
Further, described vibrational excitation device controls the direction of vibration scalable produced, it is achieved tilt and vibration.
Further, described air compartment has an air compartment and a secondary wind distribution room, a wherein said air compartment with enter
QI KOU is connected, and described secondary wind distribution room is connected by described micropore baffle plate with described separation chamber；A described air compartment is with described
It is provided with horizontal air distribution plate between secondary wind distribution room, described air distribution plate is offered porose, it is ensured that a described air compartment is with described
Secondary wind distribution room is connected, and the percent opening on described air distribution plate is more than or equal to 30%, while ensuring steady air current, reduces air feed
Energy consumption；Described secondary wind distribution indoor are filled with microfine medium, and compressed air can after entering an air compartment by air inlet
Carry out preliminary even distributing wind through air distribution plate to process, strengthen subsequently into secondary wind distribution room, increase air-flow further
Stablizing and uniformity, kind and the packing volume of the microfine medium in secondary wind distribution indoor can be according to separation chamber's air-flow flux
Requirement be replaced select；This Compound Fabric wind system compares single cloth wind system, and cloth wind is evenly, more stable, and uniform
Stable cloth wind effect is again one of key factor determining sorting mineral efficiency and effect, therefore this Compound Fabric of the application wind
The air-flow that system is more beneficial in separation chamber dissipates formula and is uniformly distributed.
Further, described micropore baffle plate one end is provided with variable-frequency governor, described by the regulation of described variable-frequency governor
The angle of inclination of micropore baffle plate, angle of inclination conversion rate and air compartment's space size, can not only the indoor stream of intensified sorting
Change stability, can actively change the fluidization environment in separation chamber simultaneously.
Further, described vibrational excitation device connects vibration table controller, and described vibration table controller is by calculating
Machine control system controls the vibration of described vibrational excitation device, the parameter such as including direction of vibration, amplitude, frequency.
Further, it is provided above draught dust collector in described separation chamber.
Another aspect of the present invention also provides for a kind of mineral dry method vibration method for separating, uses the vibration sorting of above-mentioned mineral dry method
Device sorts.
Further, described sorting medium solid has leading medium solid and auxiliary medium solid, wherein said leading medium solid
Determining according to described sorting mined material kind and sorting requirement with the kind of described auxiliary medium solid, wherein said leading medium solid is
Magnetic medium, it is possible to reclaimed by magnetic separation；Closer, described leading medium solid granularity can be in the range of 0.074-0.3mm
Select；Described leading medium solid includes magnetite powder and gas atomization iron powder；Described auxiliary medium solid includes that coal dust, zircon sand are gentle
Atomized iron powder；Containing substantial amounts of leading medium solid in described sorting medium solid, and a small amount of auxiliary medium solid, wherein auxiliary increases the weight of
Matter accounts for the mass ratio of whole sorting medium solid for less than 15-20%, dominating medium solid by adjusting and assist medium solid
Rational proportion, it is possible to the variable density in regulation separation chamber is interval, forms stable separating density environment, and then realizes complicated ore
Different minerals granule by the high efficiency separation of density in thing.
Further, the kind of the microfine medium of described secondary wind distribution indoor filling and loading are according to sorting mined material kind
Class and sorting requirement determine；Closer, described microfine medium granularity is 0.074-0.3mm, and packing volume accounts for described two
The volume of secondary air compartment is 40-80%, the most both can guarantee that secondary uniform cloth wind action, can guarantee that again air-flow by property relatively
Good.
The present invention has the beneficial effect that:
Compared with existing sorting unit, mineral dry method of the present invention vibration sorting unit is between air compartment and separation chamber
Be provided with the tilting micropore baffle plate of tilt adjustable, can strengthening flow stability, again can be according to the sorting requirement of different minerals
Arranging baffle plate tilt angles, the change at inclination angle can change movement locus and the regularity of distribution of mineral grain, makes in complicated mineral
The moving displacement difference with different densities granule significantly increases, and shortens the sorting time, enhance different component in mineral by
Density stratification isolates, and restrained effectively the solid back-mixing in assorting room, overcomes original sorting mineral cell structure and fix, nothing
The limitation that method is adjusted flexibly, has expanded the suitability of dry method vibrating fluidized bed sorting technology.
Vibrational excitation device is to separation chamber's excited vibrational, under the compound action field of force of air-flow and vibration, separation chamber simultaneously
Interior sorting medium solid can form the sorting environment with stable pressure drop and uniform density, it is possible to strengthening has different densities
Mineral grain, according to density variation multi_layer extraction, makes the mineral grain of different densities produce horizontal and vertical step simultaneously and divides
Cloth, the granule that density is higher is concentrated mainly on the lower left quarter of separation chamber, and the relatively low granule of density is then mainly distributed on separation chamber
Upper space, particularly concentrates on top, separation chamber upper right side, and then realizes the efficient dry separation of mineral.
Be provided with air compartment, air distribution plate and secondary wind distribution room in separation chamber bottom, compressed air enters from air inlet
Preliminary even distributing wind can be carried out through air distribution plate after air compartment to process, strengthen subsequently into secondary wind distribution room,
Increasing the stable of air-flow and uniformity further, kind and the packing volume of the microfine medium in secondary wind distribution indoor can roots
It is replaced selecting according to the requirement of separation chamber's air-flow flux and sorting mined material kind；This Compound Fabric wind system compares single cloth wind
System, cloth wind effect is more preferable, and the air-flow being more beneficial in separation chamber dissipates formula and is uniformly distributed.
The variable-frequency governor being connected with micropore baffle plate side had both had the function controlling baffle plate inclination angle, and can be according to dividing
The requirement in ring selection border, the conversion rate at controllable register inclination angle, thus the fluidization stability that intensified sorting is indoor, keep off by micropore
Plate actively changes the fluidization environment of separation chamber.
Structure design is unique, easy to operate, easily controllable, sharpness of separation is high, applied range, it is adaptable to the essence of coal
The removing of stone-like pulse in choosing, the Pre-sorting of metallic ore and nonmetallic ore, to the application tool expanding dry method fluidization sorting technology
There are important theory value and realistic meaning.
Other features and advantages of the present invention will illustrate in the following description, and, becoming from description of part
Obtain it is clear that or understand by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Structure specifically noted in book, claims and accompanying drawing realizes and obtains.
Accompanying drawing explanation
Accompanying drawing is only used for illustrating the purpose of specific embodiment, and is not considered as limitation of the present invention, at whole accompanying drawing
In, identical reference marks represents identical parts.
Fig. 1 is the present embodiment structural representation.
In figure: 1, air inlet；2, an air compartment；3, air distribution plate；4, secondary wind distribution room；5, microfine medium；6, micropore
Baffle plate；7, micropore baffle plate stroke；8, separation chamber；9, sorting medium solid；10, hypostasis granule；11, float granule；12, air inducing dedusting
Device；13, variable-frequency governor；14, vibrational excitation device；15, vibration table controller；16, peripheral hardware computer；α, micropore baffle plate incline
Angle.
Detailed description of the invention
Specifically describing the preferred embodiments of the present invention below in conjunction with the accompanying drawings, wherein, accompanying drawing constitutes the application part, and
Together with embodiments of the present invention for explaining the principle of the present invention.
Embodiment 1
The present embodiment provides a kind of mineral dry method vibration sorting unit, and described device includes separation chamber 8, as it is shown in figure 1,
Sorting medium solid 9 it is provided with in separation chamber 8；Separation chamber 8 bottom is provided with air compartment, and air compartment has air inlet 1, compressed air
Enter air compartment from air inlet 1, air-flow is carried out even distributing wind, subsequently into separation chamber 8, air-flow and sorting in separation chamber 8
Medium solid 9 is uniformly mixed to form fluidization environment, after being sorted mineral and adding in described separation chamber 8, vibrates separation chamber 8,
Carrying out multi_layer extraction according to density variation in the fluidization environment of separation chamber 8, the granule that density is bigger sinks to bottom separation chamber 8,
The granule that density is less floats over the top of separation chamber 8, thus reaches the sorting of mineral；Sorting medium solid has true density and heap is close
Degree is stable, even-grained feature, and in use, sorting medium solid has significance difference with the particle size range of sorting mined material
Different, therefore can to use after sorting medium solid reclaim, it is preferred that sorting medium solid have leading medium solid and
Auxiliary medium solid, is wherein dominated medium solid and uses magnetic medium, reclaimed by magnetic separation, and described leading medium solid granularity can be
Select in the range of 0.074-0.3mm, the kind of leading medium solid and auxiliary medium solid according to described in be sorted mineral species and divide
Select requirement to determine, according to the separating density requirement of different minerals, choose the most leading medium solid, add a small amount of auxiliary and add
Heavy, auxiliary medium solid accounts for the mass percent of whole sorting medium solid and dominates medium solid and auxiliary less than 15-20%, adjustment
The rational proportion of medium solid, the variable density of regulation separation chamber is interval, thus forms stable separating density environment, and then realizes
In complicated mineral, different minerals granule is according to the difference high efficiency separation of density.
The uniformity of cloth wind and stability are one of key factors determining sorting mineral effect, the therefore cloth wind of the application
Room has an air compartment 2 and secondary wind distribution room 4, as it is shown in figure 1, be provided with water between an air compartment 2 and secondary wind distribution room 4
Flat air distribution plate 3, air distribution plate 3 has hole, and one time air compartment 2 is connected with secondary wind distribution room 4 by the hole on air distribution plate 3, for
While ensuring steady air current, reduce air feed energy consumption, air distribution plate 3 has higher percent opening, the percent opening on air distribution plate 3
Preferably greater than equal to 30%；Expansion character and the good microfine medium of mobile performance it is filled with in secondary wind distribution room 4
5；Air compartment 2 connects air inlet 1, and separation chamber 8 is connected in secondary wind distribution room 4；Compressed air enters a cloth wind from air inlet 1
Room 2, carries out cloth wind in advance in an air compartment 2, and the hole being then passed through on the air distribution plate 3 of level enters secondary wind distribution room 4,
In secondary wind distribution room 4, air-flow and microfine medium 5 are fully contacted and are passed into separation chamber from the space of microfine medium 5
8, due to the uniformity of microfine medium 5, cause air-flow evenly with stable behind secondary wind distribution room 4, this combined type cloth wind
System, compared with single air compartment system, has more preferable cloth wind effect, and the air-flow being therefore more beneficial in separation chamber 8 dissipates formula
It is uniformly distributed, improves the interior separating effect to mineral of separation chamber 8；The kind of microfine medium 5 and packing volume impact enter and divide
Selecting the air-flow flux of room 8, therefore when sorting, in order to both can guarantee that secondary uniform cloth wind, can guarantee that again preferable air-flow passes through
Property, the kind of microfine medium 5 and loading are according to being sorted mineral species and sorting requirement determines, microfine medium 5 granularity
Being preferably 0.074-0.3mm, packing volume accounts for the volume of described secondary wind distribution room and is preferably 40-80%.
The tilting micropore baffle plate 6 of tilt adjustable it is provided with, as it is shown in figure 1, incline between secondary wind distribution room 4 and separation chamber 8
Angle is α, and micropore baffle plate 6 has certain intensity, on the one hand for even distributing wind, is sorted ore deposit on the other hand bearing separation chamber
Thing and the weight of sorting medium solid.One end of described micropore baffle plate 6 is provided with variable-frequency governor 13, and variable-frequency governor 13 can
The regulation angle of inclination of micropore baffle plate 6, the pace of change at angle of inclination and the space size of secondary wind distribution room 4.Micropore baffle plate 6
Change of pitch angle can strengthening flow stability, movement locus and the regularity of distribution of mineral grain can be changed again, so sorting
Cheng Zhong, micropore baffle plate 6 can be according to the demand of different sorting mined materials, the angle of inclination of controllable register and tilt angle varied speed,
Actively change the fluidization environment in separation chamber 8, increase different densities mineral grain moving displacement in separation chamber 8 poor, by force
Change the granule difference multi_layer extraction according to density in complicated mineral with different densities, shorten the sorting time, improve sorting effect
Really, the solid back-mixing in assorting room is effectively suppressed；The space size of secondary wind distribution room 4 also affects air-flow flux, therefore makes
Used time, according to the angle of inclination of the throughput regulation micropore baffle plate 6 required for separation chamber 8, thus adjust the sky of secondary wind distribution room 4
Between size.Micropore baffle plate 6 one end is fixed, and the other end connects variable-frequency governor 13, the control of variable-frequency governor 13 move up and down,
So that micropore baffle plate 6 rotates around fixing end, secondary wind distribution room sidewall is provided with micropore baffle plate stroke 7, is used for limiting micro-
Stroke when hole baffle plate moves up and down.
Separation chamber 8 and air compartment are controlled vibration by vibrational excitation device 14, and in the present embodiment, vibrational excitation device is arranged
In 8, air compartment 2 of separation chamber and the bottom of secondary wind distribution room 4, and connection has vibration table controller 15, vibrational excitation device
The direction of vibration of 14 can be vertically, it is also possible to regulation, it is achieved tilt and vibration；Vibration table controller 15 connects outer design
Calculation machine 16, peripheral hardware computer 16 controls the direction of vibration of vibrational excitation device 14, frequency of vibration and vibration width by control system
Degree, thus strengthening has the mineral grain of different densities according to density variation multi_layer extraction, the mineral grain making different densities is same
Time produce horizontal and vertical terraced distribution, it is achieved the efficient dry separation of mineral.
Separation chamber 8 top is provided with draught dust collector 12, it is possible to collect the particulate breeze produced in assorting room and
The microfine medium solid granule of effusion separation chamber.
Embodiment 2
The present embodiment provides a kind of mineral dry method vibration method for separating, uses above-mentioned sorting unit, with to 1-3mm particulate
As a example by the sorting of level low grade hematite stone.
According to the separating density requirement of 1-3mm fine fraction low grade hematite stone, with particle size range for 75-150 μm, the closeest
Degree is 7.8g/cm3Gas atomization iron powder as leading medium solid, the zircon sand of 150-250 μm is as auxiliary medium solid, and both mix
Being placed in separation chamber 8 as sorting medium solid 9 after conjunction, wherein, the addition of zircon sand not can exceed that whole sorting medium solid matter
The 20% of amount；According to selected sorting medium solid kind, particle size range and density be sorted the kind of mineral, particle size range and
Density etc. determine, the quiescent bed layer height that the addition of sorting medium solid 9 preferably forms is the 1/3～1/2 of separation chamber's height；
Then expansion character and the best microfine quartz sand of mobile performance is used to be placed in secondary wind distribution room 4 as microfine medium 5
In, the packing volume of microfine quartz sand accounts for the 40-60% of secondary wind distribution room 4 volume；Compressed air is entered one through air inlet 1
Secondary air compartment 2, enters secondary wind distribution room 4 after air distribution plate 3, and air-flow is entered by micropore baffle plate 6 after the cloth wind of secondary wind distribution room 4
Enter separation chamber 8；Manipulation variable-frequency governor 13, the inclination alpha of change micropore baffle plate 6, to suitable angle, adjusts suitable fluidized gas
Speed ensures the stabilization of fluidized environment in separation chamber 8；Then 1-3mm fine fraction is uniformly fed from separation chamber 8 top low-grade red
Iron ore；1-3mm fine fraction low grade hematite stone opens vibrational excitation device 14 after having fed, and by peripheral hardware computer
16 set suitable vibration parameters, it is ensured that direction of vibration vertically, is then made at airflow field and vibration compound force field jointly
Under with, the gas atomization iron powder in separation chamber 8 forms the sorting environment with stable pressure drop and uniform density, and hematite is stable
Under sorting environment, the relatively low gangue mineral of density moves to the top of fluidization bed and upper right quarter, forms float granule 11；And
The iron ore concentrate granule that density is higher then concentrates on formation hypostasis granule 10 bottom bed lower-left, finally achieves fine fraction bloodstone
The stone efficient dry separation in separation chamber 8, separating effect is compared existing sorting unit, is improved grade 5% left side for iron ore
Right.
Embodiment 3
As a example by 1-6mm Fine grain content, according to separating density requirement, use magnetite powder as leading medium solid,
The granularity coal dust less than 1mm is auxiliary medium solid, and wherein coal dust auxiliary medium solid can be added on that magnetic iron ore is leading to be increased the weight of in advance
In matter, it is also possible at assorting room using the secondary coal dust less than 1mm as auxiliary medium solid, wherein assist adding of medium solid coal dust
Enter amount and not can exceed that the 15% of whole sorting medium solid quality；Wherein magnetite powder is the wide grade magnetic iron ore of 0.074-0.3mm
Powder, wherein the grade of 0.15-0.3mm accounts for 50%, and true density is 4.5g/cm3, bulk density is 2.65g/cm3, add sorting and increase the weight of
The quiescent bed layer height formed after matter is the 1/3 of separation chamber's height.Microfine medium uses micro fine particle magnetite powder, packing volume
For the 50-80% of secondary wind distribution building volume, vibration control platform control vibrational excitation device tilt and vibration.1-6 Bed for Fine Coal is divided
Select efficiency EpValue is 0.06～0.08g/cm3。
Embodiment 4
As a example by the Coaseries kaolin sorting thicker to 3-6mm disseminated grain size, according to separating density requirement, use magnetic iron ore
Powder takes medium solid as the leading factor, adds the mass fraction gas atomization iron powder less than 20% as auxiliary medium solid, wherein magnetite powder
Granularity is 0.15-0.3mm, and true density is 4.5g/cm3, bulk density is 2.65g/cm3, the granularity of gas atomization iron powder is 0.074-
0.15mm, true density is 7.8g/cm3, bulk density is 4.5g/cm3, the quiescent bed layer height formed after adding sorting medium solid is
The 1/2 of separation chamber's height.Microfine medium uses microfine quartz sand, and packing volume is the 40-60% of secondary wind distribution building volume,
The direction of vibration of vibrational excitation device is vertical direction, and the Coaseries kaolin efficiency of separation thicker to 3-6mm disseminated grain size is higher than
80%.
In sum, embodiments providing a kind of mineral dry method vibration sorting unit and method, this device is dividing
Select and between room and air compartment, be provided with tilting micropore baffle plate, by adjusting the angle of inclination of micropore baffle plate, can be equal with strengthening flow
Even property and stability, thus fluidization stability in adjusting separation chamber, the demand according to being sorted mineral changes in separation chamber
Fluidization environment, increases mineral grain moving displacement in separation chamber poor, shortens the sorting time, and intensified sorting effect coordinates
The vibration of direction-changeable, the mineral grain of strengthening different densities is according to density variation multi_layer extraction further；Improve system of air compartment
System, by air compartment, an air distribution plate being mutually communicated and the secondary wind distribution room being filled with microfine medium, produces more preferable cloth
Wind effect, the air-flow being more beneficial in separation chamber dissipates formula and is uniformly distributed.Apparatus structure is simple, it is ingenious to design, and method for separating is easy
In control, sharpness of separation is high, applied range, has important reason for expanding the application of dry method fluidization sorting technology
Value and realistic meaning.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.
Claims (10)
1. a mineral dry method vibration sorting unit, including separation chamber (8) and air compartment, is filled with in described separation chamber (8)
Sorting medium solid, it is characterised in that described device also includes vibrational excitation device (14), and described separation chamber (8) and air compartment are equal
Controlled to produce vibration by described vibrational excitation device (14)；Described air compartment is positioned at described separation chamber (8) lower section, described separation chamber
(8) tilting micropore baffle plate (6) of tilt adjustable and it is provided with between described air compartment.
Mineral dry method vibration sorting unit the most according to claim 1, it is characterised in that described vibrational excitation device (14) controls
The direction of vibration that system produces is vertical direction.
Mineral dry method vibration sorting unit the most according to claim 1, it is characterised in that described vibrational excitation device (14) controls
The direction of vibration scalable that system produces, it is achieved tilt and vibration.
4. according to mineral dry method vibration sorting unit described in any one of claim 1-3, it is characterised in that described air compartment has
Air compartment (2) and secondary wind distribution room (4), a wherein said air compartment (2) and air inlet (1) connection, described secondary cloth
Air compartment (4) is connected by described micropore baffle plate (6) with described separation chamber (7)；A described air compartment (2) and described secondary wind distribution
Be provided with horizontal air distribution plate (3) between room (4), described air distribution plate (3) offered porose, it is ensured that a described air compartment (2) with
Described secondary wind distribution room (4) is connected；It is filled with microfine medium (5) in described secondary wind distribution room (4).
Mineral dry method vibration sorting unit the most according to claim 4, it is characterised in that described micropore baffle plate (6) one end sets
It is equipped with variable-frequency governor (13), regulates the angle of inclination of described micropore baffle plate (6), inclination angle by described variable-frequency governor (13)
Degree conversion rate and air compartment's space size.
6. according to mineral dry method vibration sorting unit described in claim 1 or 5, it is characterised in that described vibrational excitation device
(14) connection has vibration table controller (15), described vibration table controller (15) to control described vibration by computer control system
The vibration of excitation apparatus (14).
Mineral dry method vibration sorting unit the most according to claim 1, it is characterised in that set in described separation chamber (8) top
It is equipped with draught dust collector (12).
8. a mineral dry method vibration method for separating, it is characterised in that use mineral dry method as described in any one of claim 1-7
Vibration sorting unit sorts.
Mineral dry method vibration method for separating the most according to claim 8, it is characterised in that described sorting medium solid has leading
Medium solid and auxiliary medium solid, the kind of wherein said leading medium solid and described auxiliary medium solid is according to described sorting mined material kind
Class and sorting requirement determine, wherein said leading medium solid is magnetic medium, it is possible to reclaimed by magnetic separation.
Mineral dry method vibration method for separating the most according to claim 8, it is characterised in that fill out in described secondary wind distribution room (4)
The kind of the microfine medium (5) filled and loading determine with sorting requirement according to being sorted mineral species.
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| CN106622965A (en) * | 2016-12-26 | 2017-05-10 | 中国矿业大学 | Stepped dry-method heavy medium separation device and method for minerals |
| CN106622965B (en) * | 2016-12-26 | 2019-05-14 | 中国矿业大学 | A kind of mineral step dry method dense medium separation device and method for separating |
| CN110605177A (en) * | 2019-10-24 | 2019-12-24 | 中国矿业大学 | Differential gas-solid separation vibrating fluidized bed coal separation device and method |
| CN112090754A (en) * | 2020-09-02 | 2020-12-18 | 中北大学 | Bauxite particle desilication device and method based on density segregation theory |
| CN114713508A (en) * | 2022-04-06 | 2022-07-08 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for improving TFe grade of vanadium-containing iron ore concentrate |
| CN114713508B (en) * | 2022-04-06 | 2023-06-30 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for improving TFe grade of vanadium-containing iron concentrate |
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