CN1273227C - Ore selecting method of anthrophyllite and its friction concentrator - Google Patents
Ore selecting method of anthrophyllite and its friction concentrator Download PDFInfo
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- CN1273227C CN1273227C CN 200410061141 CN200410061141A CN1273227C CN 1273227 C CN1273227 C CN 1273227C CN 200410061141 CN200410061141 CN 200410061141 CN 200410061141 A CN200410061141 A CN 200410061141A CN 1273227 C CN1273227 C CN 1273227C
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Abstract
The present invention relates to an ore selecting method for mica. The ore selecting method for mica is characterized in that the method comprises the following steps: (1) after being manually selected, raw ore from which large sheets of mica are selected out enters a PE400*600 jaw crusher to be coarsely crushed; (2) friction ore selection: firstly, the ore passes through an oblique screen at the front end of a friction ore selecting machine; small particle mica and gangue which are screened out enter a bin for recovered materials of the raw ore, the diameter of the small particle mica is smaller than 20mm, and the diameters of the recovered materials are smaller than 20mm; ore, the diameter of which is larger than 20mm continuously slide downward along an oblique plate; when arriving at a weir plate of the friction ore selecting machine, the ore is separated; at last, the mica and the gangue are separated; (3) the small particle mica with the diameters smaller than 20mm and the gangue are fed into a high-efficiency mica ore selecting screen; the substance which are screened out by an inner bar-shaped screen net and the substance on an outer hole-shaped screen net are mica; the substance below the outer hole-shaped screen net is a mixture of small scale-shaped mica and small particle gangue; (4) all grades of the mixture of small broken sheets of mica and the small particle gangue of the high-efficiency mica ore selecting screen respectively enters an opposite roller crusher to be crushed; then, the mixture is screened so that the mica and the gangue are separated to obtain small scale-shaped mica of different grades. The present invention which can recover the small scale-shaped mica, the diameter of which is smaller than 20mm has a protective function to mica crystals.
Description
Technical field
The present invention relates to a kind of beneficiation method and ore dressing special equipment thereof of mica.
Background technology
Mica is a kind of mineral resources of preciousness, be widely used in many fields of the development of the national economy owing to the physicochemical properties of its special crystal habit and excellence, along with expanding economy, the consumption of mica is in continuous expansion, and resource is in continuous minimizing, particularly in the mica mine, because the small pieces mica less than 20mm adopts picking and shape separation method to reclaim difficulty, the Chang Zuowei tailing heap is abandoned, and has both caused the wasting of resources, has produced environmental pollution again.Some mine is reclaimed this part mica and is then adopted selection by winnowing to reclaim.Because mica density is close with gangue, mica can't not separate with gangue when forming monolithic, has only by impact grinder mica is broken into particulate or forms thin slice, could separate with gangue by selection by winnowing.But this technology needs that mica is carried out impact type to be pulverized, and the destruction of having caused mica crystal makes big mica splitting become little mica splitting, and value and economic worth reduce, and a part of meticulous mica can't reclaim and enter mine tailing simultaneously.Adopt reasonable feasible beneficiation method to reclaim this part little mica splitting and have positive social benefit and good economic benefit.
Summary of the invention
At above-mentioned deficiency, the object of the present invention is to provide a kind of mica crystal is possessed protective effect, reclaims the mica beneficiation method less than 20mm ramentum mica.The present invention provides a kind of friction ore separators simultaneously, and granule mica and gangue less than 20mm are reclaimed, and enters next step and chooses miner's skill.
Technical scheme of the present invention is: a kind of beneficiation method of mica is characterized in that it comprises the steps:
1). raw ore is through picking, and the raw ore of selecting behind the big mica splitting enters PE400 * 600 jaw crusher coarse crushings, and the gape width is 70mm, the raw ore engaging friction ore dressing ore storage bin after the coarse crushing;
2). the friction ore dressing: the raw ore after the coarse crushing feeds the friction ore separators by the GZ-10 electric vibrating feeder, ore at first passes through the slanted screen of friction ore separators front end, screen size is 25mm * 25mm, will screen out the raw ore recovery feed bin that enters less than 20mm less than granule mica and the gangue of 20mm; Behind the slanted screen of ore by friction ore separators front end, continue to glide greater than the 20mm ore along swash plate, when arriving the weir plate of friction ore separators, the gangue that rolls is owing to stopping of weir plate takeoffs fast, cross the mica feed opening and enter gangue reception feed bin, and mica climbs over weir plate and enters lower floor's swash plate by the mica feed opening owing to paste the swash plate slip, repeat said process with the further sorting of mica on lower floor's swash plate, final big mica splitting separates with gangue;
3). granule mica and gangue less than 20mm feed the shape separation machine, the shape separation machine is efficient mica ore dressing sieve, thing is a gangue on the internal layer bar shaped mesh screen, under the internal layer bar shaped mesh screen on thing, the outer hole shape mesh screen thing be mica, thing is the mixture of ramentum mica and granule gangue under the outer hole shape mesh screen;
4). the fractionlet micas at different levels of efficient mica ore dressing sieve and the mixture of granule gangue enter the double-roll crusher fragmentation respectively, gangue is pulverized, and mica particles are constant, through screening mica are separated with gangue again, obtain different stage ramentum mica.
Friction ore dressing machine head is provided with GZ-10 electric vibrating feeder 13, the friction ore separators comprises slanted screen 14, raw ore less than 20mm reclaims feed bin 15, first order swash plate 16, first order mica and gangue separator 17, first order gangue receives feed bin 18, second level swash plate 19, second level mica and gangue separator 20, second level mica reclaims feed bin 21, second level gangue receives feed bin 22, first order swash plate 16, second level swash plate 19 is respectively by steel plate 26, left baffle 25, rubber slab 27 is formed, the both sides that left baffle 25 is separately fixed at steel plate 26 form passage, rubber slab 27 be fixed on steel plate 26 above; The steel plate 26 of first order swash plate 16, rubber slab 27 corresponding tops have mouth, and its opening part is provided with slanted screen 14, and the screen size of slanted screen 14 is 25mm * 25mm, and steel plate 26, rubber slab 27 corresponding bottoms have mica feed opening 24; First order swash plate 16, second level swash plate 19 and horizontal plane bevel, second level swash plate 19 are positioned at the first order mica on the first order swash plate 16 and the below of gangue separator 17; The bottom of first order swash plate 16 is provided with first order mica and gangue separator 17, first order mica and gangue separator 17 are adjustable weir plate 23, mica feed opening 24, mica feed opening size adjustment plate 28, mica feed opening 24 is positioned at the below of adjustable weir plate 23, mica feed opening size adjustment plate 28 is positioned on the rubber slab 27 and is positioned at the lower end of mica feed opening 24, is used to regulate the width b of adjustable mica feed opening 24; First order gangue receives the below that feed bin 18 is positioned at first order swash plate 16 lower ends; The bottom of second level swash plate 19 is provided with second level mica and gangue separator 20, second level mica and gangue separator 20 are adjustable weir plate, mica feed opening, mica feed opening size adjustment plate, the width b1 of adjustable mica feed opening is adjustable, the below of the adjustable mica feed opening of second level mica and gangue separator 20 is provided with second level mica and reclaims feed bin 21, and the below of the lower end of second level mica and gangue separator 20 is provided with second level gangue and receives feed bin 22.
The present invention adopts raw ore through picking, selecting raw ore behind the big mica splitting enters jaw crusher coarse crushing, friction ore separators and sub-elects that mica splitting, shape separation machine (efficient mica ore dressing sieve) are selected little mica splitting, double-roll crusher is pulverized gangue, and mica particles is constant, through bolting mica is separated with gangue again, obtain the ramentum mica; The whole ore dressing process of the present invention possesses protective effect to mica crystal, and can filter out the ramentum mica less than 20mm.This technology is dry technology for production, and production cost is low, is suitable for water-deficient area uses such as Xinjiang.
Description of drawings
Fig. 1 is a process chart of the present invention
Fig. 2 is friction ore separators structural representation
Fig. 3 is that the A of Fig. 2 is to view
Fig. 4 is the C portion enlarged drawing of Fig. 2
Fig. 5 is efficient mica ore dressing sieve structure schematic diagram
Fig. 6 is the structural representation of the inner screen of efficient mica ore dressing sieve
Fig. 7 is the structural representation of the round steel Grating bar shaped screen cloth of efficient mica ore dressing sieve
Fig. 8 is the A-A cutaway view of Fig. 7
Fig. 9 is the cutaway view of the vane type bar shaped screen cloth of efficient mica ore dressing sieve
The specific embodiment
A kind of beneficiation method of mica, it comprises the steps:
1). raw ore is through picking, and the raw ore of selecting behind the big mica splitting enters PE400 * 600 jaw crusher coarse crushings, and the gape width is 70mm, the raw ore engaging friction ore dressing ore storage bin after the coarse crushing;
2). the friction ore dressing: the raw ore after the coarse crushing feeds the friction ore separators by the GZ-10 electric vibrating feeder, ore at first passes through the slanted screen of friction ore separators front end, screen size is 25mm * 25mm, will screen out the raw ore recovery feed bin that enters less than 20mm less than granule mica and the gangue of 20mm; Behind the slanted screen of ore by friction ore separators front end, continue to glide greater than the 20mm ore along swash plate, when arriving the weir plate of friction ore separators, the gangue that rolls is owing to stopping of weir plate takeoffs fast, cross the mica feed opening and enter gangue reception feed bin, and mica climbs over weir plate and enters lower floor's swash plate by the mica feed opening owing to paste the swash plate slip, repeat said process with the further sorting of mica on lower floor's swash plate, final big mica splitting separates with gangue;
3). granule mica and gangue less than 20mm feed the shape separation machine, the shape separation machine is efficient mica ore dressing sieve, thing is a gangue on the internal layer bar shaped mesh screen, under the internal layer bar shaped mesh screen on thing, the outer hole shape mesh screen thing be mica, thing is the mixture of ramentum mica and granule gangue under the outer hole shape mesh screen;
4). the ramentum micas at different levels of efficient mica ore dressing sieve and the mixture of granule gangue enter the fragmentation of 2PG-300 double-roll crusher respectively, gangue is pulverized, and mica particles is constant, pass through SZZ400 * 800 boltings again mica is separated with gangue, obtain different stage ramentum mica.
Structure to equipment needed thereby describes below:
One, PE400 * 600 jaw crushers are prior art.
Two, as Fig. 2, Fig. 3, shown in Figure 4, friction ore dressing machine head is provided with GZ-10 electric vibrating feeder 13, and GZ-10 electric vibrating feeder 13 is a prior art.The friction ore separators comprises slanted screen 14, raw ore recovery feed bin 15, first order swash plate 16, first order mica and gangue separator 17 less than 20mm, first order gangue reception feed bin 18, second level swash plate 19, second level mica and gangue separator 20, second level mica reclaim feed bin 21, second level gangue receives feed bin 22, first order swash plate 16, second level swash plate 19 are made up of steel plate 26, left baffle 25, rubber slab 27 respectively, the both sides that left baffle 25 is separately fixed at steel plate 26 form passage, rubber slab 27 be fixed on steel plate 26 above; The steel plate 26 of first order swash plate 16, rubber slab 27 corresponding tops have mouth, and its opening part is provided with slanted screen 14, and the screen size of slanted screen 14 is 25mm * 25mm, and steel plate 26, rubber slab 27 corresponding bottoms have mica feed opening 24; First order swash plate 16, second level swash plate 19 and horizontal plane bevel, second level swash plate 19 are positioned at the first order mica on the first order swash plate 16 and the below of gangue separator 17; The bottom of first order swash plate 16 is provided with first order mica and gangue separator 17, first order mica and gangue separator 17 are adjustable weir plate 23, mica feed opening 24, mica feed opening size adjustment plate 28, mica feed opening 24 is positioned at the below of adjustable weir plate 23, mica feed opening size adjustment plate 28 is positioned on the rubber slab 27 and is positioned at the lower end of mica feed opening 24, is used to regulate the width b of adjustable mica feed opening 24; First order gangue receives the below that feed bin 18 is positioned at first order swash plate 16 lower ends; The bottom of second level swash plate 19 is provided with second level mica and gangue separator 20, second level mica and gangue separator 20 are adjustable weir plate, mica feed opening, mica feed opening size adjustment plate, the width b1 of adjustable mica feed opening is adjustable, the below of the adjustable mica feed opening of second level mica and gangue separator 20 is provided with second level mica and reclaims feed bin 21, and the below of the lower end of second level mica and gangue separator 20 is provided with second level gangue and receives feed bin 22.
Adopt the characteristics of friction ore separators and electric vibrating feeder as follows:
1. at friction ore dressing machine head, adopt electric vibrating feeder to give the ore deposit, give the ore deposit even like this, and help mica and ore dispersion.
2. because fine fraction mica and gangue are deposited on the friction ore separators swash plate face, influence the friction slip of mica on swash plate, adding sieve aperture at friction ore separators front end is 25 * 25mm slanted screen, screen out-20mm granule ore is to the adverse effect of the ore dressing that rubs.
3. adopt the line with rubber swash plate to replace existing wooden or irony swash plate, it has the following advantages:
1. coefficient of friction is big than iron and plank, has increased the frictional force of sheet mica and swash plate, has improved the separating effect of mica and gangue;
2. overcome the iron pollution of iron swash plate to mica;
3. line with rubber swash plate wearability is far longer than iron and plank, long service life.
4. adjustable weir plate and mica feed opening can be according to feeding granularity size, mica content height regulating weir plate height and mica feed opening width b.
Three, as Fig. 5, shown in Figure 6, efficient mica ore dressing sieve, this ore dressing sieve is three grades of classification ore dressing sieves, it is made up of three tubular screen clothes, each tubular screen cloth is two-layer, ground floor screen cloth (being internal layer) is a bar shaped screen cloth 1, and second layer screen cloth (promptly outer) is that the internal layer bar shaped screen cloth 1 of 2, three tubular screen clothes of hole shape screen cloth is communicated with series connection.One end of three grades of classification ore dressings sieve is provided with a feed hopper 9 that is used for to internal layer bar shaped screen cloth 1 feed, and the other end is provided with a hopper 10 that is used to collect the oversize of internal layer bar shaped screen cloth 1.Every grade of tubular screen cloth is provided with the hopper 11 that the hopper 12 of an oversize that is used to collect the outer hole shape screen cloth 2 of this grade and are used to collect the screenings of the outer hole shape screen cloth 2 of this grade.
In the tubular screen clothes at different levels of efficient mica ore dressing sieve, it is identical with the aperture size in the hole 3 of hole shape screen cloth 2 that the sieve of bar shaped screen cloth 1 stitches 4 width.Screen clothes at different levels are pressed the moving direction of oversize on screen cloth of internal layer bar shaped screen cloth 1, and the sieve of bar shaped screen cloth 1 stitches the aperture size in the hole 3 of 4 width and hole shape screen cloth 2 and amplifies step by step.
Above-mentioned bar shaped screen cloth 1 can be round steel Grating bar shaped screen cloth, and shown in Fig. 7,8, round steel Grating bar shaped screen cloth is arranged in parallel by round steel 5 and forms, and is between adjacent two round steel 5 to be distributed with guiding round steel 6 in the bar shaped screen cloth 1 by sieve seam 4.This round steel Grating bar shaped screen cloth, material can move along both direction, has reduced material and has stopped up the chance that sieve stitches, and can prevent that mica sheet is in round steel 5 lower edge compass screen surfaces motions.In the bar shaped screen cloth 1, every several bar grizzl(e)ies seams 4 of being separated by, also be provided with stock guide 8, stock guide 8 is provided with perpendicular to bar shaped screen cloth 1.
Above-mentioned bar shaped screen cloth 1 also can be vane type bar shaped screen cloth, and as shown in Figure 9, its grating is a steel plate 7, and steel plate 7 is impeller and distributes, and is sieve seam 4 between adjacent two steel plates 7.The operation principle of vane type bar shaped screen cloth is: when vane type bar shaped screen cloth counterclockwise rotated, mica was that laminated structure is slided on compass screen surface, and gangue is that perfectly round shape is rolled on compass screen surface; Sieve seam 4 occurring as the lower right corner of Fig. 5 screen cloth profile perpendicular to ground, mica can see through sieve seam 4 and enter outer screen under the gravity effect, and it is easy to wear that this structure can overcome in the round steel Grating bar shaped screen cloth round steel and stock guide, needs the shortcoming of often changing.
The operation principle of efficient mica ore dressing sieve is: raw material enters the internal layer bar shaped screen cloth 1 of first order screen cloth through feed hopper 9, little thickness mica and granule gangue enter the outer hole shape screen cloth 2 of the first order, the outer hole shape screen cloth 2 of the first order separates mica with the granule gangue, the granule gangue is made mine tailing through the hopper 11 of the outer hole shape screen cloth 2 of this grade and discharged; The oversize of the outer hole shape screen cloth 2 of this grade is that this grade mica that filters out enters this grade hopper 12.Big thickness mica and bulky grain gangue enter the internal layer bar shaped screen cloth 1 of second and third grade screen cloth successively, in like manner screen, and last bulky grain gangue is discharged from hopper 10.
Four, the 2PG-300 double-roll crusher is a prior art.Different according to mica and gangue crystal shape, by double-roll crusher the time, the characteristic that gangue then can be broken and damage by the pulverizing mica by the double-roll crusher slit, pulverize gangue by double-roll crusher, by SZZ400 * 800 boltings the fine fraction gangue is separated with the coarse fraction mica again.
Five, SZZ400 * 800 vibratory sieves are prior art, the screen size 2mm of vibratory sieve * 2mm.
Claims (2)
1. the beneficiation method of a mica is characterized in that it comprises the steps:
1). raw ore is through picking, and the raw ore of selecting behind the big mica splitting enters PE400 * 600 jaw crusher coarse crushings, and the gape width is 70mm, the raw ore engaging friction ore dressing ore storage bin after the coarse crushing;
2). the friction ore dressing: the raw ore after the coarse crushing feeds the friction ore separators by electric vibrating feeder, ore at first passes through the slanted screen of friction ore separators front end, screen size is 25mm * 25mm, will screen out the raw ore recovery feed bin that enters less than 20mm less than granule mica and the gangue of 20mm; Behind the slanted screen of ore by friction ore separators front end, continue to glide greater than the 20mm ore along swash plate, when arriving the weir plate of friction ore separators, the gangue that rolls is owing to stopping of weir plate takeoffs fast, cross the mica feed opening and enter gangue reception feed bin, and mica climbs over weir plate and enters lower floor's swash plate by the mica feed opening owing to paste the swash plate slip, repeat said process with the further sorting of mica on lower floor's swash plate, final big mica splitting separates with gangue;
3). granule mica and gangue less than 20mm feed the shape separation machine, the shape separation machine is efficient mica ore dressing sieve, thing is a gangue on the internal layer bar shaped mesh screen, under the internal layer bar shaped mesh screen on thing, the outer hole shape mesh screen thing be mica, thing is the mixture of ramentum mica and granule gangue under the outer hole shape mesh screen;
4). efficient mica ore dressing sieve at different levels other the ramentum mica and the mixture of granule gangue enter the fragmentation of 2PG-300 double-roll crusher respectively, gangue is pulverized, and mica particles is constant, pass through SZZ400 * 800 boltings again mica is separated with gangue, obtain different stage ramentum mica.
2. friction ore separators of realizing the mica beneficiation method of claim 1, the ore separators that it is characterized in that rubbing comprises slanted screen (14), raw ore less than 20mm reclaims feed bin (15), first order swash plate (16), first order mica and gangue separator (17), first order gangue receives feed bin (18), second level swash plate (19), second level mica and gangue separator (20), second level mica reclaims feed bin (21), second level gangue receives feed bin (22), friction ore dressing machine head is provided with electric vibrating feeder (13), first order swash plate (16), second level swash plate (19) is respectively by steel plate (26), left baffle (25), rubber slab (27) is formed, the both sides that left baffle (25) is separately fixed at steel plate (26) form passage, rubber slab (27) be fixed on steel plate (26) above; The steel plate (26) of first order swash plate (16), the corresponding top of rubber slab (27) have mouth, its opening part is provided with slanted screen (14), the screen size of slanted screen (14) is 25mm * 25mm, and steel plate (26), the corresponding bottom of rubber slab (27) have mica feed opening (24); First order swash plate (16), second level swash plate (19) and horizontal plane bevel, second level swash plate (19) are positioned at the first order mica on the first order swash plate (16) and the below of gangue separator (17); The bottom of first order swash plate (16) is provided with first order mica and gangue separator (17), first order mica and gangue separator (17) are adjustable weir plate (23), mica feed opening (24), mica feed opening size adjustment plate (28), mica feed opening (24) is positioned at the below of adjustable weir plate (23), and mica feed opening size adjustment plate (28) is positioned at the lower end that mica feed opening (24) were gone up and be positioned to rubber slab (27); First order gangue receives the below that feed bin (18) is positioned at first order swash plate (16) lower end; The bottom of second level swash plate (19) is provided with second level mica and gangue separator (20), second level mica and gangue separator (20) are adjustable weir plate, mica feed opening, mica feed opening size adjustment plate, the below of the adjustable mica feed opening of second level mica and gangue separator (20) is provided with second level mica and reclaims feed bin (21), and the below of the lower end of second level mica and gangue separator (20) is provided with second level gangue and receives feed bin (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410061141 CN1273227C (en) | 2004-11-18 | 2004-11-18 | Ore selecting method of anthrophyllite and its friction concentrator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410061141 CN1273227C (en) | 2004-11-18 | 2004-11-18 | Ore selecting method of anthrophyllite and its friction concentrator |
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| CN1603012A CN1603012A (en) | 2005-04-06 |
| CN1273227C true CN1273227C (en) | 2006-09-06 |
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| CN 200410061141 Expired - Fee Related CN1273227C (en) | 2004-11-18 | 2004-11-18 | Ore selecting method of anthrophyllite and its friction concentrator |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102294325A (en) * | 2011-06-22 | 2011-12-28 | 唐承祯 | Mine-used inspection vibrating screen |
| CN102266853A (en) * | 2011-08-05 | 2011-12-07 | 葛洲坝集团第五工程有限公司 | Waste rock flour recycling method for dry sandstone producing system |
| CN105195290A (en) * | 2015-10-12 | 2015-12-30 | 陕西理工学院 | Mining and ore-dressing method for large-particle muscovite |
| JOP20190082A1 (en) * | 2016-10-14 | 2019-04-14 | Dirrick Corp | Apparatus , methods , and systems for vibratory screening |
| US11806755B2 (en) | 2016-10-14 | 2023-11-07 | Derrick Corporation | Apparatuses, methods, and systems for vibratory screening |
| US11052427B2 (en) | 2016-10-14 | 2021-07-06 | Derrick Corporation | Apparatuses, methods, and systems for vibratory screening |
| US11185801B2 (en) | 2016-10-14 | 2021-11-30 | Derrick Corporation | Apparatuses, methods, and systems for vibratory screening |
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