CN109550583A - A kind of smalls vibration compound force field dry method cull eliminator and technique - Google Patents
A kind of smalls vibration compound force field dry method cull eliminator and technique Download PDFInfo
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- CN109550583A CN109550583A CN201811476599.0A CN201811476599A CN109550583A CN 109550583 A CN109550583 A CN 109550583A CN 201811476599 A CN201811476599 A CN 201811476599A CN 109550583 A CN109550583 A CN 109550583A
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- sorting
- sorting bed
- smalls
- force field
- compound force
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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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B4/00—Separating by pneumatic tables or by pneumatic jigs
- B03B4/02—Separating by pneumatic tables or by pneumatic jigs using swinging or shaking tables
-
- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
Abstract
The invention discloses a kind of smalls vibration compound force field dry method cull eliminator and techniques, smalls free moisture is higher, it is required to adapt to sorting, the air supply device of the sorting machine provides 60-180 DEG C of low temperature hot wind, selected material is dried while sorting, viscosity between material is reduced, realizes the sorting of fine.The sorting machine is sorted according to the density feature of smalls, vibration compound force field is formed using high frequency short arc shock excitation device, utilize micropore gas distributor, progressive cloth wind is used simultaneously, material isolation layering under the conditions of vibrating compound force field and progressive cloth wind, and different densities material carries out reverse movement, the discharge device of the sorting machine is divided into light density exhaust end and weight density exhaust end, cleaned coal after sorting is discharged through light density exhaust end, and spoil is discharged through weight density exhaust end.The efficiency of separation of the present invention is high, low energy consumption, production cost is low, economic benefit is good.
Description
Technical field
The invention belongs to technical field of mineral processing, and in particular to a kind of smalls vibration compound force field dry method cull eliminator and work
Skill is particularly suitable for smalls dry separation.
Background technique
Dry coal preparation technology is suitable for the coal separation of northwest China portion drought and water-scarce area, at present dry sorting equipment master
There are air jigging sorting machine, Duplex dry separator and air auto-monitor dry method cull eliminator.But dry coal preparation mesh
In place of preceding Shortcomings, lower limit of separation 6mm, for particulate (0-13mm) smalls, separating effect is poor.And for containing outer water compared with
Big coal, outer water will increase the viscosity between material, deteriorate separating effect.Currently, the separating effect for improving particulate smalls is dry
The critical issue that method coal separation is faced.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of smalls vibration compound force field
Dry method cull eliminator and technique are that one kind is stable, sort efficient smalls vibration compound force field dry method cull eliminator.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of smalls vibration compound force field dry method cull eliminator, including charging gear, sorting bed body, discharge device, air feed dress
It sets, gas distributor and bottom bracket；Wherein:
The top left front position of sorting bed body is arranged in the charging gear, is connected to inside sorting bed body；
The discharge device is connected to setting with the front side discharge end of sorting bed body, is divided into light density exhaust end and the right side in left side
The heavy density exhaust end of side；
The sorting bed body includes exciting device, sorting bed side plate, sorting bed turnover panel and sorting bed surface, wherein sorting bed
The exciting device is installed respectively on the outside of the sorting bed side plate of the left and right sides of body；It is set inside sorting bed body in bottom-rear position
The sorting bed turnover panel is set, forms 30 °~60 ° of tilt angle with the sorting bed surface of bottom, sorting bed surface has with horizontal plane to incline
0 °~20 ° of angle；
The sorting bed surface of the sorting bed body bottom is fixed at the top of the bottom bracket, embedding in the sorting bed surface
It is furnished with gas distributor, and the air outlet on lower section and the air supply device top being fixed between bottom bracket connects；The gas
Distributor uses progressive cloth wind, is gradually reduced from feeding end to discharge end air quantity.
Further, the air outlet on the air supply device top by connect hose be connected with gas distributor, lower part according to
Secondary is air compartment and air supply duct；Air supply device institute's air feed is 60-180 DEG C of low temperature hot wind；The object that the charging gear enters
Moisture content < 10% of material.
Further, vibration absorber is equipped between the sorting bed surface and bottom bracket top.
Further, the exciting device is the low vibration exciting device of high frequency, and revolving speed is 700~1500r/min, amplitude 1-
3mm。
Further, the sorting bed surface is the compound big pressure drop wind-distributing bed face of micropore, and aperture is 75 μm, by the resistance to grinding machine of micropore
Face and microporous fibre layer composition, wherein the wear-resisting bed surface of micropore is polyurethane material covering microporous fibre layer with a thickness of 5-
15mm。
Further, the exciting device is fixed on the sorting bed side plate 4-3 of the left and right sides by adjustable tilt support
Outer surface middle position on, wherein adjustable tilt support is that " Z-shaped " being made of three pieces of panels of same size is tied
Structure is connected with bolt between centre and two pieces of panels of lower part, adjusts opening for the adjustable tilt support by lower bolt
It is right, adjust the angle of exciting device.
Further, it is provided with sorting glazing bar on the intracorporal sorting bed surface of the sorting bed, isolated system is in sorting bed
On face, the glazing bar of different number and height is installed as needed.
Further, the junction of the discharge device and discharge end on front side of sorting bed body is to move up and down adjustable set
It sets, forms sorting bed surface inclination angle different from feeding end to discharge end.
Further, dust-extraction unit is also covered with above the sorting machine, connect the dedusting of setting including dust excluding hood and thereon
Pipe, wherein the dust excluding hood is located at the top of charging gear, sorting bed body, discharge device.
The technique of above-mentioned smalls vibration compound force field dry separation, the density feature according to smalls are sorted, specifically
The following steps are included:
1) feed: material enters sorting bed body through charging gear；
2) exciting: the exciting device of high frequency short arc carries out exciting to materials inside, forms vibration compound force field；
3) air feed: air supply device provides low temperature hot wind, and selected material is dried while sorting；
4) cloth wind: the gas distributor of pore type is to using progressive cloth wind inside sorting bed body；
5) isolation layering: material isolation layering, different densities material under the conditions of vibrating compound force field and progressive cloth wind
Carry out reverse movement；
6) discharge: the cleaned coal after sorting is discharged through the light density exhaust end of discharge device, and spoil is close through the weight of discharge device
Spend exhaust end discharge.
The utility model has the advantages that a kind of smalls vibration compound force field dry method cull eliminator provided by the invention and technique, with the prior art
It compares, has the advantage that material to be selected feeds sorting bed body through charging gear, low temperature hot wind to wind apparatus through gas by dividing
Cloth device feeds sorting bed body, and sorting bed body forms compound force field under wind and the effect of high frequency short arc exciting device, in bed body
Material is in compound force field, wind-force, exciting force, gravity, frictional force synergistic effect under isolate layering, the upper and lower bed of material is reverse
Horizontal separation occurs for movement, can substantially reduce material lower limit of separation, improves sharpness of separation.Low temperature hot wind can reduce the outer water of material
Content weakens active force between material, reduces material isolation layering difficulty, improves material layering segregation effect.Its is stable
Reliably, lower limit of separation is low, effect is good, has wide applicability.
Detailed description of the invention
Fig. 1 is the left view of smalls vibration compound force field dry method cull eliminator of the present invention；
Fig. 2 is the main view of smalls vibration compound force field dry method cull eliminator of the present invention；
Fig. 3 is the structural schematic diagram of adjustable tilt support.
In figure: 1- sorts rack, 2- dust-extraction unit, 3- charging gear, 4- sorting bed body, 5- discharge device, 6- and fills to wind
It sets, 7- gas distributor, 8- vibration absorber, 9- bottom bracket, 1-1- support device, 2-1- dust removing tube, 2-2- dust excluding hood, 4-1-
Exciting device, 4-2- adjustable tilt support, 4-3- sorting bed side plate, 4-4- sorting bed turnover panel, 4-5- sorting glazing bar, 4-6- points
Select the light density exhaust end of bed surface, 5-1-, 5-2- weight density exhaust end, 6-1- connection hose, 6-2- air compartment, 6-3- air supply duct,
9-1- air compartment erecting by overhang, 9-2- height adjuster.
Specific embodiment
The invention discloses a kind of smalls vibration compound force field dry method cull eliminator and techniques, and smalls free moisture is higher, is
Sorting is adapted to require, the air supply device of the sorting machine provides 60-180 DEG C of low temperature hot wind, while sorting to selected material into
Row drying reduces viscosity between material, realizes the sorting of fine.The sorting machine is divided according to the density feature of smalls
Choosing forms vibration compound force field using high frequency short arc shock excitation device, using micropore gas distributor, while using progressive cloth
Wind, material isolation layering under the conditions of vibrating compound force field and progressive cloth wind, and different densities material carries out reverse movement, it should
The discharge device of sorting machine is divided into light density exhaust end and weight density exhaust end, and the cleaned coal after sorting is arranged through light density exhaust end
Out, spoil is through weight density exhaust end discharge.The efficiency of separation of the present invention is high, low energy consumption, production cost is low, economic benefit is good.
The present invention will be further explained with reference to the accompanying drawings and examples.
Smalls of the invention vibrates compound force field dry method cull eliminator, including sorting rack 1, dust-extraction unit 2, charging gear 3,
Sort bed body 4, discharge device 5, air supply device 6, gas distributor 7, vibration absorber 8, bottom bracket 9.6 institute of air supply device
Air feed is 60-180 DEG C of low temperature hot wind.For reducing water outside smalls particle, reduce particles' interaction power (adhesion strength, liquid bridge
Power etc.), pan feeding moisture requirement is widened to < 10%, is improved smalls vibration compound force field and is pressed density eduction, improves the efficiency of separation
With improvement separating effect.
Sorting bed body 4 includes exciting device 4-1, sorting bed side plate 4-3, sorting bed turnover panel (4-4) and sorting glazing bar (4-
5) bed surface 4-6, is sorted, wherein install exciting device 4- respectively on the outside of the sorting bed side plate 4-3 of the left and right sides of sorting bed body 4
1；It sorts and sorting bed turnover panel 4-4 is set in bottom-rear position inside bed body 4, form certain angle with the sorting bed surface 4-6 of bottom
Degree is preferably 30 ° -60 °, in assorting room, and speed is different when the material impacting turnover panel of different characteristic, the effect by turnover panel
Power separates material preferably, and sorting bed surface and horizontal plane have certain inclination angle, preferably 0 ° -20 °, controls materials at different levels and produces
Rate.
The high-frequency excitation device 4-1 revolving speed is 700~1500r/min, amplitude 1-3mm.Exciting device 4-1 passes through can
On the outer surface middle position for adjusting the sorting bed side plate 4-3 that ramped abutment 4-2 is fixed on the left and right sides, wherein adjustable to incline
Oblique support is " Z-shaped " structure, can effectively adjust exciting device angle by adjusting opening degree." Z-shaped " structure such as Fig. 3 institute
Show, be made of three pieces of panels of same size, is connected with bolt between intermediate and two pieces of panels of lower part, it can be by under adjusting
Portion's bolt adjusts different inclination angles.Exciting device 4-1 is bolted on adjustable tilt support 4-2.
The sorting bed surface 4-6 is the compound big pressure drop wind-distributing bed face of micropore, and aperture is 75 μm, by the wear-resisting bed surface of micropore
(polyurethane material covering), microporous fibre layer composition.The aperture of different location on the sorting bed surface 4-6 of adjustable air compartment outlet
Rate controls each position air quantity, and fiber layer thickness 5-15mm can control cloth stratification of wind resistance.Gas distributor 7 from feeding end to
Discharge end successively decreases air quantity step by step, adjusts air feed form and design fiber layer thickness according to different coals quality and granularmetric composition.
The sorting glazing bar 4-5 is the adjustable glazing bar device of height, can control material in sorting bed surface by adjusting its height
Lateral transfer speed on 4-6, and then discharge is controlled, separation index is influenced, the sorting demand of different coals quality is suitable for.It is individually
Device can install the glazing bar of different number and height on sorting bed surface 4-6 as needed.
The discharge device 5 is the adjustable discharge device of outlet height, can control the thickness of feed layer on bed surface, influences to sort
Environment improves sorting quality.It mainly passes through the inclination angle for adjusting entire sorting bed surface from feeding end to discharge end, thus it is possible to vary row
Expect speed and sharpness of separation.
The sorting machine is connected and fixed in sorting rack 1 on the outside by support device 1-1, is used to support sorting bed
Face.The lower part of bottom bracket 9 is equipped with height adjuster 9-2, uses bolt to control, realizes difference by rotation bolt
Highly.The surrounding of air supply device 6 is fixed between bottom bracket 9 by air compartment erecting by overhang (9-1) hanging, and erecting by overhang will be for
Wind apparatus is bolted on sorting bed surface (wherein, the embedding cloth of gas distributor is in sorting bed surface), reduces support device
Use.
Embodiment
As shown in Figure 1, 2, smalls of the invention vibration compound force field dry method cull eliminator is mainly filled by sorting rack 1, dedusting
Set 2, charging gear 3, sorting bed body 4, discharge device 5, air supply device 6, gas distributor 7, vibration absorber 8,9 structure of bottom bracket
At.The high-frequency excitation device 4-1 is bolted with adjustable tilt support 4-2, and high frequency short arc exciting device 4-1 is produced
High-frequency excitation power needed for choosing estranged, high-frequency excitation power can be analyzed to perpendicular to sorting bed turnover panel 4-4 component and perpendicular to
The component of sorting bed side plate 4-3.By the excited frequency or the adjustable exciting of amplitude that adjust high frequency short arc exciting device 4-1
Power size, by adjusting adjustable tilt support 4-2, the direction of adjustable exciting force.Air supply device 6 passes through connection hose 6-
1 is connected with gas distributor 7, and by low temperature hot wind, gradually decreasing gradient cloth wind is formed compound under the synergistic effect of exciting force
The field of force makes material generate density isolation in vertical direction, and the desiccation of low temperature hot wind reduces the cohesive force between material, increases
Material is added to isolate precision by density, and horizontal reverse movement occurs for upper and lower level material, is discharged through discharge device 5, wherein this point
The discharge device 5 of machine is selected to divide for light density exhaust end and weight density exhaust end, the cleaned coal after sorting is arranged through light density exhaust end 5-1
Out, spoil is through weight density exhaust end 5-2 discharge.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of smalls vibrates compound force field dry method cull eliminator, it is characterised in that: including charging gear (3), sorting bed body (4),
Discharge device (5), air supply device (6), gas distributor (7) and bottom bracket (9)；Wherein:
It is internal to be connected to sorting bed body (4) in the top left front position of sorting bed body (4) for charging gear (3) setting；
The discharge device (5) is connected to setting with the front side discharge end of sorting bed body (4), is divided into the light density exhaust end in left side
The heavy density exhaust end (5-2) on (5-1) and right side；
The sorting bed body (4) includes exciting device (4-1), sorting bed side plate (4-3), sorting bed turnover panel (4-4) and sorting bed
Face (4-6), wherein install the exciting device respectively on the outside of the sorting bed side plate (4-3) of the left and right sides of sorting bed body (4)
(4-1)；Sort bed body (4) internal sorting bed surface in the bottom-rear position setting sorting bed turnover panel (4-4), with bottom
(4-6) forms 30 °~60 ° of tilt angle, and sorting bed surface (4-6) and horizontal plane have 0 °~20 ° of inclination angle；
The sorting bed surface (4-6) of described sorting bed body (4) bottom is fixed at the top of the bottom bracket (9), the sorting
It is embedding in bed surface (4-6) to be furnished with gas distributor (7), and lower section and air supply device (6) top being fixed between bottom bracket (9)
Air outlet connection；The gas distributor (7) uses progressive cloth wind, is gradually reduced from feeding end to discharge end air quantity.
2. smalls according to claim 1 vibrates compound force field dry separation, it is characterised in that: the air supply device (6)
The air outlet on top is connected by connecting hose (6-1) with gas distributor (7), and lower part is followed successively by air compartment (6-2) and to wind
It manages (6-3)；Air supply device (6) institute's air feed is 60-180 DEG C of low temperature hot wind；The water for the material that the charging gear (3) enters
Divide content < 10%.
3. smalls according to claim 1 vibrates compound force field dry separation, it is characterised in that: the sorting bed surface (4-
6) vibration absorber (8) are equipped between bottom bracket (9) top.
4. smalls according to claim 1 vibrates compound force field dry separation, it is characterised in that: the exciting device (4-
It 1) is the low vibration exciting device of high frequency, revolving speed is 700~1500r/min, amplitude 1-3mm.
5. smalls according to claim 1 vibrates compound force field dry separation, it is characterised in that: the sorting bed surface (4-
It 6) is the compound big pressure drop wind-distributing bed face of micropore, aperture is 75 μm, is made of the wear-resisting bed surface of micropore and microporous fibre layer, wherein institute
Stating the wear-resisting bed surface of micropore is polyurethane material covering microporous fibre layer with a thickness of 5-15mm.
6. a kind of smalls according to claim 1 vibrates compound force field dry method cull eliminator, it is characterised in that: the exciting dress
Set the outer surface middle position that (4-1) is fixed on the sorting bed side plate (4-3) of the left and right sides by adjustable tilt support (4-2)
On, wherein adjustable tilt support (4-2) is " Z-shaped " structure being made of three pieces of panels of same size, intermediate and lower part
Two pieces of panels between be connected with bolt, the opening degree of the adjustable tilt support (4-2) is adjusted by lower bolt, adjust
The angle of exciting device (4-1).
7. a kind of smalls according to claim 1 vibrates compound force field dry method cull eliminator, it is characterised in that: the sorting bed
Sorting glazing bar (4-5) is provided on sorting bed surface (4-6) in body (4), isolated system is pacified as needed on sorting bed surface
Fill the glazing bar of different number and height.
8. a kind of smalls according to claim 1 vibrates compound force field dry method cull eliminator, it is characterised in that: the discharge dress
Setting (5) and sorting the junction of discharge end on front side of bed body (4) is to move up and down adjustable setting, formed sorting bed surface (4-6) from
The feeding end inclination angle different to discharge end.
9. a kind of smalls according to claim 1 vibrates compound force field dry method cull eliminator, it is characterised in that: on the sorting machine
Side is also covered with dust-extraction unit (2), connects the dust removing tube (2-1) of setting including dust excluding hood (2-2) and thereon, wherein described to remove
Dust hood (2-2) is located at the top of charging gear (3), sorting bed body (4), discharge device (5).
10. the technique of smalls vibration compound force field dry separation according to claim 1, it is characterised in that: according to smalls
Density feature sorted, specifically includes the following steps:
1) feed: material enters sorting bed body (4) through charging gear (3)；
2) exciting: the exciting device (4-1) of high frequency short arc carries out exciting to materials inside, forms vibration compound force field；
3) air feed: air supply device (6) provides low temperature hot wind, and selected material is dried while sorting；
4) cloth wind: the gas distributor (7) of pore type uses progressive cloth wind to sorting bed body (4) is internal；
5) isolation layering: material isolation layering under the conditions of vibrating compound force field and progressive cloth wind, different densities material carry out
Reverse movement；
6) discharge: the cleaned coal after sorting is discharged through the light density exhaust end (5-1) of discharge device (5), and spoil is through discharge device (5)
Heavy density exhaust end (5-2) discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476599.0A CN109550583B (en) | 2018-12-05 | 2018-12-05 | Dry separator and process for pulverized coal vibration composite force field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476599.0A CN109550583B (en) | 2018-12-05 | 2018-12-05 | Dry separator and process for pulverized coal vibration composite force field |
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| Publication Number | Publication Date |
|---|---|
| CN109550583A true CN109550583A (en) | 2019-04-02 |
| CN109550583B CN109550583B (en) | 2020-06-12 |
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ID=65868990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811476599.0A Active CN109550583B (en) | 2018-12-05 | 2018-12-05 | Dry separator and process for pulverized coal vibration composite force field |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517397A (en) * | 2020-11-09 | 2021-03-19 | 天津美腾科技股份有限公司 | Sorting method and sorting device |
| CN114210552A (en) * | 2021-12-06 | 2022-03-22 | 唐山神州机械集团有限公司 | Dry method sorting system suitable for sorting slack coal |
| CN115350916A (en) * | 2022-08-23 | 2022-11-18 | 兖矿科技有限公司 | Fine coal fines vibration step sorter |
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| CN115350916A (en) * | 2022-08-23 | 2022-11-18 | 兖矿科技有限公司 | Fine coal fines vibration step sorter |
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| CN109550583B (en) | 2020-06-12 |
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