CN101657268B - Method of and apparatus for sorting mineral - Google Patents
Method of and apparatus for sorting mineral Download PDFInfo
- Publication number
- CN101657268B CN101657268B CN200780052433XA CN200780052433A CN101657268B CN 101657268 B CN101657268 B CN 101657268B CN 200780052433X A CN200780052433X A CN 200780052433XA CN 200780052433 A CN200780052433 A CN 200780052433A CN 101657268 B CN101657268 B CN 101657268B
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- Prior art keywords
- mineral
- sorting
- separating
- wind
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 132
- 239000011707 mineral Substances 0.000 title claims abstract description 132
- 238000000034 method Methods 0.000 title claims description 7
- 239000000428 dust Substances 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims 2
- 230000014509 gene expression Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- 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
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
-
- 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
-
- 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
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/06—Selective separation of solid materials carried by, or dispersed in, gas currents by impingement against sieves
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The object of the invention is to smoothly sort crushed minerals into those of various sizes by a compact means. An air blow means such as a blow fan (3) for separating introduced minerals (12) by air force; and a sorting screen (11) which receives the fallen minerals, sorts the minerals (12) of a predetermined size or larger, and allows the minerals (12) of a size less than the predetermined size to pass therethrough are installed. The minerals (12) are blown off by the air blow means so that the positions where the minerals fall down can be changed according to their sizes, whereby the minerals can smoothly pass through the sorting screen (11) and the sorting means can be made compact.
Description
Technical field
The present invention relates to corresponding to its size, mineral are divided into multistage method for separating and the device that adopts thereof.
Background technology
By centrifugal crusher etc., that mineral are broken, form rubble, corresponding to its size, it is carried out sorting, according to the mode of roadbed material, concrete aggregate etc., supply with as required.
The applicant has developed as sorting unit, the device of putting down in writing in TOHKEMY 2003-175367 document.In this sorting unit, the wind by blower flies up is sorted that thing (rubble) utilization is followed its size (weight) and the different phenomenon of flying distance is carried out sorting.
This situation is called wind-force and separates.
Below the space of flight, change the screw spreader that transports mineral apart from the distance of pressure fan according to 2 settings, for the rubble that will fall is collected in this conveyer, the distance according to flight is divided into the size of 2 grades.
In addition, as another the existing mechanism that is used for sorting mined material, also adopt following mechanism, its size according to mesh arrives greatly little order, the different separating sieve of size (eye size) of mesh is set up and down, casts once the mineral of various sizes thereon, its size is dropped on sieve under it less than the mineral of mesh, sieve successively, according to sizes, it is carried out sorting.
But, if once the mineral of sizes are thrown into identical position, because its size is stirred together less than the mineral of mesh and mineral greater than mesh, roll on sieve, therefore the separating sieve that sieves must positively carry out the mode of sorting according to the long distance of rolling, and forms the separating sieve of longer and wide area.
That is, the size of such sorting unit is very large.
Patent documentation 1: TOHKEMY 2003-175367
Summary of the invention
The problem that the present invention will solve is to solve can't be by compact mechanism, and the situation of the mineral (rubble) that fly is blown in sorting effectively.
Method for separating setting of the present invention:
Be used for the mineral that dropped into are carried out the wind pushing mechanism that wind-force separates;
Sorting mechanism, it accepts the mineral fallen, and the mineral of to a certain degree above size are carried out sorting, and the mineral of to a certain degree following size are passed through;
It is characterized in that by wind pushing mechanism, make the mineral of small diameter fly to the farther place, the mineral of the size of more restricted certain limit are dropped on sorting mechanism, by sorting mechanism, the mineral of the size of certain limit are carried out sorting.
In addition, the mineral that the sorting unit of mineral of the present invention relates to institute's sorting carry out the wind-force separation, the size of mineral is carried out the sorting unit of the mineral of sorting, it is characterized in that it comprises the dust collect plant of collecting dust from the space of mineral being carried out the wind-force separation, arranges separating sieve below the space of mineral being carried out the wind-force separation.
In addition, the mineral that the sorting unit of mineral of the present invention relates to institute's sorting carry out the wind-force separation, the size of mineral is carried out the sorting unit of the mineral of sorting, it is characterized in that it comprises the dust collect plant of collecting dust from the space of mineral being carried out the wind-force separation, mineral are carried out space that wind-force separates below separating sieve is set, the end of above-mentioned separating sieve extend to the mineral of answering sorting fly to the position.
Also have, in the sorting unit of mineral of the present invention, more inboard in the end of separating sieve forms the recovery mouth that does not have separating sieve.
Have again, in the sorting unit of mineral of the present invention, in above-mentioned separating sieve, the mineral of answering sorting fly to the position, the pars intermedia baffle plate that mineral distribute is set.
The method for separating of mineral of the present invention and its sorting unit that adopts can by above scheme, obtain following effect.
(a) owing to flying up by air-supply, in the mineral of having divided according to every kind of size, the essentially identical mineral of size drop on the surface of certain limit of sorting mechanism, therefore by separating sieve the time, do not have to stir together with larger mineral, the situation of long distance of rolling waltzs through mesh (mesh), the separating sieve of large (longer) size needn't be required, the overall compact of sorting unit itself can be made.
(b) by dust collect plant is set, can be independent of separating sieve and reclaim dust, the separation operation of other mineral is very easy to.That is, tiny mineral are not attached on the mesh of separating sieve (mesh), and the opening of mesh does not narrow down, and does not cause the obstruction of separation operation.
(c) due to mineral whenever size not simultaneously, drop to other position of sorting mechanism, therefore the mineral of large-size do not fall, the damage of the sieve that eye is thin reduces.
(d) due to be positioned at by the end that makes each separating sieve answer sorting be sorted thing fly to the position, flying to the little thing that is sorted of the size of farther place drops on the little separating sieve of the size of the direct mesh of sorting, also do not encounter therefore do not produce the large separating sieve of eye size that is positioned at the top repeatedly, hinder situation about successfully falling.
(e) more inboard due to by at separating sieve arranges the recovery mouth that does not have separating sieve, and tiny mineral are by separating sieve, therefore the performance of sieve further improves.
(f) in separating sieve, the mineral of the size of answering sorting fly to the position, the middle baffle plate that mineral are distributed is set, thus, can corresponding to the situation of dispersing of mineral, adjust this distribution locations.
Description of drawings
Fig. 1 is the key diagram of the 1st embodiment of sorting unit of the present invention;
Fig. 2 arranges the key diagram of the 2nd embodiment of outlet for section in;
Fig. 3 is the key diagram that the end of separating sieve extends to the 3rd embodiment of the position that the mineral of answering sorting fly to;
Fig. 4 is that the end of separating sieve extends to the position that the mineral of answering sorting fly to, and in this end, the key diagram of the 4th embodiment of middle baffle plate is set.
The explanation of label:
Label A represents the vibrosieve device;
Label 2 expression air outlets;
Label 5 represents the input port;
Label 9 expression dust collect plants;
Label 11 expression separating sieves;
Label 12 expression mineral;
Label 15 expression outlets;
Mouth is reclaimed in label 17 expressions.
The specific embodiment
According to the present invention, separate by mineral being carried out wind-force, it is dropped on the surface of the certain limit of sorting mechanism, make separating sieve pass through form the sorting mechanism of compactness smoothly.
(1) shell
That shown in Figure 1 is the 1st embodiment of the present invention, and in the housing main body 1 of apparatus main body, the sidewall of its up and down pars intermedia connects by the bellows 1a of section of up and down, the vibrosieve device A of the vibration of formation transmitting vibrations device etc.
In the inside as the vibrosieve device A of this sorting mechanism, have a plurality of separating sieves 11 of describing in the back, the vibration that these separating sieves 11 transmit above-mentioned vibrators is vibrated.
At the top of housing main body 1 side, air outlet 2 openings.From air outlet 2, give the sorting mineral space 4 of housing main body 1 as the air-supply of the Air Blast fan 3 of wind pushing mechanism.Near this air outlet 2, directly over, mineral input ports 5 openings.
(2) dust collect plant
At the top of housing main body 1, a side opposite with air outlet 2 arranges dust collect plant 9.
Dust collect plant 94 has dust collecting opening 10 towards the sorting mineral space, can by the attraction of dust collect plant 9, collect trickle mineral.
(3) separating sieve
Under the sorting mineral space 4 of housing main body 1, a plurality of separating sieves with a plurality of meshes 11 as sorting mechanism arrange overlappingly.
Separating sieve 11 extends from the top down, and the size of its mesh (corresponding to the size of mesh) is followed the grade of institute's sorting and diminished.
Side at the air outlet 2 of each separating sieve 11 arranges next door 14, for each separating sieve 11, forms outlet 15 separately.
The below describes the method for separating of the mineral that adopt above-mentioned such sorting unit successively.
(4) blow and fly operation,
From above-mentioned mineral input ports 5, at the inner mineral 12 that drop into of device.
By the air-supply from Air Blast fan 3, blow the mineral 12 that fly to have dropped.
Larger-size heavier mineral 12 do not fly at a distance.Otherwise the lighter mineral 12 that size is less fly to the farther place by air-supply.
That is, by wind-force, for every kind of size of certain scope, mineral 12 are separated, in the present invention, this is called wind-force separates.
(5) separation operation
Separating sieve 11 is netted parts, coincides with the upper and lower successively from the size of the mesh that sieves is descending, and its size, further falls by this sieve 11 less than the mineral 12 of the size of mesh.
In Fig. 1, in 4 sieve 11a～11d, from the sieve 11d that its mesh is of a size of 20mm, according to the order of the size of 13mm, 5mm, 3mm, sieve 11c, 11b and the sieve 11a of below are set.
The mineral 12a of minimum lighter size flies to the farthest, drops downwards by the mesh of whole separating sieve 11d～11a, discharges from outlet 15a.
Its size drops on sieve 11a by sieve 11d, 11c, 11b greater than the mineral 12b of its (grade), rolls on sieve 11a, discharges from outlet 15b.
As above, mineral 12c, the 12d of larger-size (grade) drops to respectively on sieve 11c, 11d, discharges from outlet 15c, the 15d of this grade.
Maximum sized mineral 12e is the obstructed 11a～11d that sieves fully, and rolls on sieve d, discharges from outlet 15e.
According to the present invention, separate, pass through separating sieve 11 combinations for each size of mineral by wind-force, the position that the mineral 12 of certain limit drop is in certain scope on the surface of separating sieve 11, prevent from improving significantly the separation performance of separating sieve 11 according to stirring with larger mineral the situation that mode together drops.
That is, realize following special effect, that is, not only merely with the sorting of wind-force and separating sieve combination, and by with both combinations, successfully carry out the sorting of separating sieve, can form compactly length, the width of separating sieve 11.
(6) control of dust operation
The action of the mineral of very thin grey state by dust collect plant 9 collected by dust collecting opening 10 from sorting mineral space 4.
Like this, in the sorting unit of Fig. 1, mineral 12 are for the size of 6 grades and sorting.
In the embodiment shown in figure, separating sieve 11 has a plurality of, still, if make dust collect plant 9, recovery mouthful 17 alignings, even in the situation that separating sieve 11 is 1, still can divide the mineral 12 of electing 4 kinds of sizes as.
Embodiment 2
That shown in Figure 2 is the 2nd embodiment of the present invention, the air outlet 2 from housing main body 1 leave in section, arrange and do not have separating sieve, and make mineral drop to its lower recovery mouth 17 of reclaiming realized.
At the top that forms the next door 18 of reclaiming mouth 17, installation can change the rear portion baffle plate 19 at angle of inclination.
In the kind according to mineral, its flying distance has the occasion of small difference, corresponding to flying distance, changes the angle of rear portion baffle plate 19, can more correctly carry out sorting to less mineral 12.
Reclaim mouth 17 from this, discharge the undersized mineral 12 that fly to the farthest, with its recovery.
Like this, the mineral 12 of minimum diameter do not reclaim by separating sieve, thus, discard the mineral of the obstruction that consists of sorting with doing one's utmost, like this, can improve the efficiency of separation.
Place in the middle of next door 18, setting can be to reclaiming mouthful 17 oblique baffle plates 21 of inclination.To fly far mineral 12 discharged to outlet 15a side than next door 18, mix with mineral 12a by separating sieve 11a, and at this moment, baffle plate 21 be swung to reclaim mouthful 17 sides, mineral will be discharged to outlet 15a side.
That shown in Figure 3 is the 3rd embodiment of the present invention, and the end of a side of leaving with air outlet 2 of each separating sieve 11 extends to the in-position farthest that drops to the mineral of answering sorting 12 on it.
The flying distance of mineral 12 changes corresponding to the size of these mineral 12 corresponding to the performance of this Air Blast fan 3, and it is obtained in advance as experimental data.
Can pass through this experiment, in each separating sieve 11a～11d, determine the distance that the mineral 12a～d of the size that will sieve, collect by this separating sieve 11a～11d flies to.
The leading section of the side that each separating sieve 11a～11d of the 3rd embodiment will leave with air outlet 2 correctly extends to best, the ultimate range (grow to most and reach the position) of calculating by experiment, and the mineral 12 that do not extend to the size below it fly to the place.
Thus, the mineral 12 that flown up are the sieve 11 of the mineral by its above size of sorting not, and almost major part drops on the sieve 11 of answering sorting with being in the main true.
If for expression the above-mentioned the 1st and Fig. 1 of the 2nd embodiment and the sorting unit of Fig. 2, even in the situation that its diameter less than the mineral of the size of mesh, still contacts its mesh greater than the net of its separating sieve, be bound near own side.If springing together with the mineral of larger size, is trapped on sieve, that can not realize sieving smoothly passes through.
In the embodiment shown in fig. 3, mineral 12 do not drop on the larger sized sieve 11 of sorting, and directly drop on the sieve 11 of this size of screening.
So in the situation that do not fall because the larger sieve 11 of mesh hinders, passing through of the mineral 12 relative sieves 11 that size is less is smooth.
Figure for expression the 4th embodiment of the present invention shown in Figure 4, as the 3rd embodiment, the mineral 12 that the front end of separating sieve 11 extends to the size that should sieve fly to the position, at the front end of each sieve 11, according to the changeable mode in angle of inclination, middle baffle plate 20 is installed.
In the kind by mineral 12, during delicate variations of flying distance, change the angle of middle baffle plate 20, corresponding to fly to the position, the boundary position of adjustment sorting can carry out more accurate sorting.
In addition, in the embodiment of Fig. 4, separating sieve 11 more in section, comprise the recovery mouth 17 with separating sieve.
Such middle baffle plate 20 also can be implemented in the embodiment of Fig. 1 and Fig. 2, and middle baffle plate 20 is at the front end of each separating sieve 11, and the mineral 12 of answering sorting fly to the position, be arranged at the centre of separating sieve 11.
Claims (5)
1. the method for separating of mineral, it carries out wind-force to mineral and separates and carry out sorting, it is characterized in that comprising:
By wind pushing mechanism, the mineral that drop into and fall are carried out the operation that wind-force separates;
By dust collect plant, the operation of collecting dust from the space of the mineral that fall being carried out the wind-force separation;
By a plurality of separating sieves, accept the mineral fallen, the mineral of to a certain degree above size are carried out sorting, the operation that the mineral of to a certain degree following size are passed through;
The mineral of a plurality of sizes that fallen for sorting, the mineral to above-mentioned whereabouts carry out space that wind-force separates below, above-mentioned a plurality of separating sieves are turned up the soil with the mode space that diminishes from upper to the next different eye sizes are set;
The mineral of a plurality of sizes that the outlet separately that above-mentioned a plurality of separating sieve forms respectively be used for to discharge falls, and the direction setting that has a down dip according to the air outlet side direction towards wind pushing mechanism of above-mentioned a plurality of separating sieve.
2. the sorting unit of mineral, it carries out wind-force to mineral and separates, and size is carried out sorting, it is characterized in that comprising:
Be used for the mineral that drop into and fall are carried out the wind pushing mechanism that wind-force separates;
Collect the dust collect plant of dust from the space of the mineral that fall being carried out the wind-force separation;
Be used for to accept the mineral that fallen, the mineral of to a certain degree above size are carried out sorting, a plurality of separating sieves that the mineral of to a certain degree following size are passed through;
The mineral of a plurality of sizes that fallen for sorting, the mineral to above-mentioned whereabouts carry out space that wind-force separates below, above-mentioned a plurality of separating sieves are turned up the soil with the mode space that diminishes from upper to the next different eye sizes are set;
The mineral of a plurality of sizes that the outlet separately that above-mentioned a plurality of separating sieve forms respectively be used for to discharge falls, and the direction setting that has a down dip according to the air outlet side direction towards wind pushing mechanism of above-mentioned a plurality of separating sieve.
3. the mineral that the sorting unit of mineral according to claim 2, the end that it is characterized in that above-mentioned a plurality of separating sieves are positioned at the whereabouts fly to the position.
4. the sorting unit of according to claim 2 or 3 described mineral is characterized in that more inboard in the end of above-mentioned a plurality of separating sieves forming the recovery mouth that does not have separating sieve.
5. the sorting unit of mineral according to claim 2, it is characterized in that above-mentioned a plurality of separating sieve the mineral that fall fly to the position, the pars intermedia baffle plate that these mineral are distributed is set.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2007/000374 WO2008126154A1 (en) | 2007-04-06 | 2007-04-06 | Method of and apparatus for sorting mineral |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101657268A CN101657268A (en) | 2010-02-24 |
| CN101657268B true CN101657268B (en) | 2013-06-05 |
Family
ID=39863339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780052433XA Ceased CN101657268B (en) | 2007-04-06 | 2007-04-06 | Method of and apparatus for sorting mineral |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2156902A4 (en) |
| JP (1) | JP4852145B2 (en) |
| CN (1) | CN101657268B (en) |
| AU (1) | AU2007351238B2 (en) |
| WO (1) | WO2008126154A1 (en) |
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| DE102013020888A1 (en) * | 2013-12-11 | 2015-06-11 | Khd Humboldt Wedag Gmbh | Kreislaufmahlanlage with caution and ball mill |
| CN104016150A (en) * | 2013-12-15 | 2014-09-03 | 广西鱼峰水泥股份有限公司 | Chute feeding device |
| JP6263320B2 (en) * | 2014-01-24 | 2018-01-17 | 株式会社幸袋テクノ | Wind sorter |
| CN105436084B (en) * | 2014-08-15 | 2017-12-15 | 中联重科股份有限公司 | Mineral sorting device and mineral processing system |
| CN105363676A (en) * | 2014-08-15 | 2016-03-02 | 中联重科股份有限公司 | Mineral sorting device and mineral production line |
| CN107262372A (en) * | 2016-04-06 | 2017-10-20 | 中国铁建重工集团有限公司 | A kind of selection by winnowing screening plant and method |
| KR101802931B1 (en) * | 2016-09-29 | 2017-11-30 | 손용식 | Powder sorting device using wind force |
| CN106861869A (en) * | 2017-01-05 | 2017-06-20 | 江苏赛日实业有限公司 | A kind of multistage dry-method sand manufacturing production line and its technology for making sand |
| CN107309035A (en) * | 2017-07-04 | 2017-11-03 | 芜湖市亿仑电子有限公司 | A kind of capacitor membrane tears up separating and recovering equipment |
| CN107626577A (en) * | 2017-11-10 | 2018-01-26 | 无锡宇能选煤机械厂 | Stacked vibratory sieve coal picker |
| KR101872328B1 (en) * | 2018-02-14 | 2018-06-28 | 홍신 주식회사 | Special alloy recycling system |
| CN111217079A (en) * | 2019-12-02 | 2020-06-02 | 姚笑笑 | Mineral carrier convenient to unload powdered particles |
| CN113171982A (en) * | 2021-04-15 | 2021-07-27 | 合肥水泥研究设计院有限公司 | Multi-product mechanical wind power combined powder concentrator |
| CN114887888A (en) * | 2022-04-27 | 2022-08-12 | 刘杰 | Raw material fine screening system and method for new material production |
| KR102546758B1 (en) * | 2022-10-28 | 2023-06-22 | 주식회사 대호시리카 | Fluid sand manufacturing system and fluidized sand manufactured therefrom |
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- 2007-04-06 JP JP2009508708A patent/JP4852145B2/en active Active
- 2007-04-06 EP EP07737031A patent/EP2156902A4/en not_active Withdrawn
- 2007-04-06 CN CN200780052433XA patent/CN101657268B/en not_active Ceased
- 2007-04-06 AU AU2007351238A patent/AU2007351238B2/en active Active
- 2007-04-06 WO PCT/JP2007/000374 patent/WO2008126154A1/en active Search and Examination
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| FR2344336A1 (en) * | 1976-03-18 | 1977-10-14 | Metallgesellschaft Ag | PROCESS FOR SEPARATING SOLID GRAIN METALLURGIC PRODUCTS AND THE PRODUCTS FROM WHICH THEY COME FROM |
| US4447319A (en) * | 1981-07-06 | 1984-05-08 | Rheinische Braunkohlenwerke Ag | Process for separating sand from a brown coal or lignite material containing sand |
| CN2067191U (en) * | 1990-01-24 | 1990-12-12 | 祁永义 | Classifier for winnowing |
| WO1994026427A1 (en) * | 1993-05-10 | 1994-11-24 | Svedala-Arbrå Ab | Vibrating screen |
| JP2003175367A (en) * | 2002-12-19 | 2003-06-24 | Kotobuki Giken Kogyo Kk | Mineral sorting apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008126154A1 (en) | 2008-10-23 |
| JP4852145B2 (en) | 2012-01-11 |
| CN101657268A (en) | 2010-02-24 |
| JPWO2008126154A1 (en) | 2010-07-15 |
| AU2007351238B2 (en) | 2012-01-19 |
| EP2156902A4 (en) | 2010-11-03 |
| EP2156902A1 (en) | 2010-02-24 |
| AU2007351238A1 (en) | 2008-10-23 |
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