CN104689900A - Comprehensive force field multithread gravity concentrator - Google Patents
Comprehensive force field multithread gravity concentrator Download PDFInfo
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- CN104689900A CN104689900A CN201510077184.6A CN201510077184A CN104689900A CN 104689900 A CN104689900 A CN 104689900A CN 201510077184 A CN201510077184 A CN 201510077184A CN 104689900 A CN104689900 A CN 104689900A
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- gravity concentrator
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Abstract
The invention discloses a comprehensive force field multithread gravity concentrator. The gravity concentrator comprises a gravity concentrator main body, a comprehensive force field precipitation separation area, a driving device, a rotation device and a pulsation device, wherein the rotation device and the dithering device are arranged at the lower part of the gravity concentrator main body, and enable the lower part of the gravity concentrator main body to form the comprehensive force field precipitation separation area under the combined action of a turbulence fluid field and a pulsation force field; the rotation of the rotation device is driven by the driving device; a feeding opening is formed in the central area at the top of the gravity concentrator; the feeding opening is communicated with the comprehensive force field precipitation separation area at the lower part through a central feeding pipe; an underflow opening is formed in the bottom of the comprehensive force field precipitation separation area; the upper part of the comprehensive force field precipitation separation area is communicated to the overflow dam part at the top of the gravity concentrator main body through an upstream passage encircling the central feeding pipe; baffle board components are uniformly arranged in the upstream passage to form an inclined board settling area. The gravity concentrator has the advantages that the gravity concentrator is high in sorting accuracy, stable and reliable in work, low in energy consumption, and environment-friendly.
Description
Technical field
The present invention relates to a kind of sorting of mineral, classifying equipoment, particularly relate to a kind of high efficiency gravity sorting, classification and preenrichment equipment.
Background technology
At present, cyclone, hydraulic classiciation case, spiral chute and shaking table are the main gravitational separation equipments that material carries out classification, sorting, and this kind of gravitational separation equipment, because the sorting field of force is single and the limitation of design principle, in the industrial production, exists following problem:
1. cyclone mainly realizes classification by centrifugal force, needs high-pressure delivery ore pulp, when ore pulp thickness grain is uneven, easily causes the blocking of underflow opening, affects classification efficiency;
2. hydraulic classiciation case is the classification realizing mineral in static infall process, and due to the factor such as restriction of mineral being mingled with in infall process, settling area, classification efficiency is often not satisfactory;
3. spiral chute has when sorting coarse fraction mineral that treating capacity is large, the advantage of Non-energy-consumption, but poor to the separating effect of fine particle stage material;
4. shaking table is based on film concentration principle, by of reciprocating vibration, the vertical and horizontal current of bed surface with the use of, realize the efficient separation of fine fraction mineral, but it has shortcomings such as treating capacity is little, fluctuation of service.
In a word, due to the limitation of the single and structure in the said equipment fluid field of force, cause the problems such as gravity separation, effectiveness of classification is poor, fluctuation of service, energy consumption are high, be usually difficult to the requirement meeting sorting mineral.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the deficiency and defect mentioned in above background technology, provides that a kind of sharpness of separation is high, working stability is reliable, the integrate power field multithread state gravity concentrator of low energy consumption environmental protection.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is a kind of integrate power field multithread state gravity concentrator, described integrate power field multithread state gravity concentrator comprises gravity concentrator body, integrate power field sedimentation separation district, drive unit, whirligig and palsating equipment, described whirligig and palsating equipment are arranged on the bottom of gravity concentrator body, and making the bottom of gravity concentrator body form a turbulent fluctuation flow field and pulsed vibration field coefficient integrate power field sedimentation separation district, the rotation of described whirligig is driven by drive unit; The top center region of described gravity concentrator body is provided with material inlet, and material inlet is communicated with the integrate power field sedimentation separation district of bottom by center feed pipe; The bottom in integrate power field sedimentation separation district is provided with underflow opening, the top in integrate power field sedimentation separation district by one around the upwelling channel connection of center feed pipe to the downflow weir place of described gravity concentrator bodies top.
In above-mentioned integrate power field multithread state gravity concentrator, preferred: the column member of described gravity concentrator body primarily of top and the vertebral body component composition of bottom, and described integrate power field sedimentation separation district is mainly arranged in the lower area that vertebral body component surrounds, described upwelling passage is then mainly arranged in the upper area that column member surrounds.
In above-mentioned integrate power field multithread state gravity concentrator, preferred: the over top of gravity concentrator body is located at by described drive unit, and drive unit is connected with the whirligig in described integrate power field sedimentation separation district by the central shaft that runs through described center feed pipe.Described whirligig can be the impeller of two leaves, three leaves, four leaves or other shapes.
In above-mentioned integrate power field multithread state gravity concentrator, preferred: the main body mechanism of described palsating equipment is located at the outside in integrate power field sedimentation separation district, and palsating equipment makes the fluid in integrate power field sedimentation separation district fluctuate up and down with sine wave by the reciprocating motion of its pull bar.
In above-mentioned integrate power field multithread state gravity concentrator, preferred: the rotating speed of described whirligig is no more than 500r/min, and the jig frequency scope of described palsating equipment is no more than 500 times/min, and stroke range is no more than 30cm.
Technique scheme of the present invention is mainly based on following principle: the present invention, by the underflow in control multithread state gravity concentrator and overflow ratio, makes mineral in infall process, form the fluid bed of specific density; Palsating equipment in integrate power field sedimentation separation district is by moving back and forth, and the mineral impelling density different are emanated in fluid bed, layering; Whirligig in integrate power field sedimentation separation district then reduces mineral being mingled with in sedimentation, delaminating process between different densities mineral.By being combined by the strengthening decentralized photo in pulsation segregation sorting and turbulent flow, achieve Gravity separation and the classification of mineral.
As the further improvement to the invention described above technical scheme, in above-mentioned integrate power field multithread state gravity concentrator, preferred: to be evenly laid with spoiler assembly in described upwelling passage to form an inclined plate sedimentation district, the bottom of described spoiler assembly is communicated to integrate power field sedimentation separation district, and the top of described spoiler assembly is communicated to downflow weir place.By arranging an inclined plate sedimentation district, not only increase the settling area of equipment, and contribute to the sedimentation time shortening mineral, combine again and be arranged on the whirligig in the back taper component of bottom and the palsating equipment outside back taper component, not only be conducive to the dispersion of ore pulp, avoid being mingled with in assorting room, and contribute to the separative efficiency improving mineral.
In above-mentioned integrate power field multithread state gravity concentrator, preferred: described spoiler assembly is formed by connecting primarily of the multiple choked flow flaggies vertically arranged, and be interconnected between each choked flow flaggy and form the upwelling sedimentation passage of a S shape or fold-line-shaped.
In above-mentioned integrate power field multithread state gravity concentrator, preferred: the choked flow flaggy of every one deck is made up of the multiple spoiler unit around described center feed pipe, the layout and the central axis of the multiple spoiler unit being positioned at every one deck centrally feed pipe is centrosymmetric.In above-mentioned integrate power field multithread state gravity concentrator, preferred: each spoiler unit to be parallel to each other by polylith and the spoiler be in tilted layout assembles; And the incline direction of spoiler keeps symmetrical to form the upwelling sedimentation passage of " people " font in two spoiler unit of neighbouring docking; The angle Angle ambiguity of described " people " font upwelling sedimentation passage is at 50 ° ~ 80 °.
In above-mentioned integrate power field multithread state gravity concentrator, preferred: the vertical range in each spoiler unit between adjacent two spoilers is 5 ~ 50mm, the spoiler be respectively arranged in parallel is assembled on the mount pad of a spoiler unit by insertion slot type connected mode.The material of spoiler can be the low friction coefficient materials such as polytetrafluoroethylene (PTFE), polyacetals.
The invention described above improve further after technical scheme in, increase settling area by arranging spoiler assembly, shorten settling height, reduce the probability that fine fraction large density mineral flow out from downflow weir.Strengthening dispersion in the sorting of the pulsation of fluid bed segregation, turbulent flow is separated with high-efficiency sedimentation in laminar flow and combines by the present invention further, achieves efficient Gravity separation and the classification of mineral (especially fine fraction mineral).
Compared with prior art, the invention has the advantages that: in integrate power field multithread state gravity concentrator of the present invention, in order to strengthen the dispersion of ore pulp, reducing mineral grain being mingled with in infall process, being provided with the whirligig driven by motor in the bottom of gravity concentrator body; In order to form stable fluid bed in a device, and improve mineral and to emanate in fluid bed layering efficiency, be provided with palsating equipment in the bottom of gravity concentrator body; In addition, on the top of gravity concentrator body also the staggered spoiler assembly of preferred arrangements forming inclined plate sedimentation district; Such vibrational power flow can produce turbulent flow, laminar flow and pulsatile flow field, efficient separation and the classification of material can be realized, for ore dressing field provides, a kind of concentration ratio is high, beneficiating efficiency is high, sharpness of separation is high, working stability is reliable, the integrate power field multithread state gravity concentrator of low energy consumption environmental protection, is particularly suitable for applying in fine fraction and the little feed separation classification of density variation, the field such as desliming and preenrichment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation (main apparent direction is cut open along axis) of integrate power field multithread state gravity concentrator in the embodiment of the present invention.
Fig. 2 is the sectional view (omission palsating equipment) at A-A place in Fig. 1.
Fig. 3 is the front view of single spoiler unit in integrate power field multithread state gravity concentrator in the embodiment of the present invention.
Fig. 4 is the side view of single spoiler unit in integrate power field multithread state gravity concentrator in the embodiment of the present invention.
Fig. 5 is the top view of single spoiler unit in integrate power field multithread state gravity concentrator in the embodiment of the present invention.
Fig. 6 is fluid bed pulsating wave curve map in integrate power field sedimentation separation district in the embodiment of the present invention.
Fig. 7 is the partial enlarged drawing at B place in Fig. 3.
Marginal data:
1-drive unit; 2-material inlet; 3-downflow weir; 4-spoiler assembly; 5-whirligig; 6-underflow opening; 7-palsating equipment; 8-central shaft; 9-gravity concentrator body; 10-integrate power field sedimentation separation district; 11-center feed pipe; 12-spoiler unit; 13-spoiler; The cutting of 14-swash plate.
Detailed description of the invention
For the ease of understanding the present invention, hereafter will do to describe more comprehensively, meticulously to the present invention in conjunction with Figure of description and preferred embodiment, but protection scope of the present invention is not limited to following specific embodiment.
It should be noted that, when a certain element is described on " be fixed on, be fixed in, be connected to or be communicated in " another element, it can be directly fixing, affixed, connect or be communicated with on another element, also can be by other intermediate connectors indirectly fixing, affixed, connection or connection on another element.
Unless otherwise defined, hereinafter used all technical terms are identical with the implication that those skilled in the art understand usually.The object of technical term used herein just in order to describe specific embodiment is not be intended to limit the scope of the invention.
Embodiment:
A kind of as Fig. 1, integrate power field multithread state gravity concentrator of the present invention shown in Fig. 2, comprise gravity concentrator body 9, drive unit 1, whirligig 5 and palsating equipment 7, the column member (the present embodiment be four-prism) of gravity concentrator body 9 primarily of top and the vertebral body component composition of bottom, whirligig 5 and palsating equipment 7 are arranged on the bottom of gravity concentrator body 9, and make the bottom of gravity concentrator body 9 form a turbulent fluctuation flow field and pulsed vibration field coefficient integrate power field sedimentation separation district 10, and integrate power field sedimentation separation district 10 is arranged in the region that bottom vertebral body component surrounds.The top center region of gravity concentrator body 9 is provided with material inlet 2, material inlet 2 is communicated with the integrate power field sedimentation separation district 10 of bottom by center feed pipe 11, and ore pulp material inlet 2 can sent into by this center feed pipe 11 is directly delivered in integrate power field sedimentation separation district 10; The bottom in integrate power field sedimentation separation district 10 is provided with underflow opening 6, the top in integrate power field sedimentation separation district 10 by one around the upwelling channel connection of center feed pipe 11 to downflow weir 3 place of gravity concentrator body 9 top perimeter; Upwelling passage forms an inclined plate sedimentation district, and is arranged in upper area that column member surrounds.
As shown in Figure 1, in the integrate power field multithread state gravity concentrator of the present embodiment, drive unit 1 is a motor, and it is located at the over top of gravity concentrator body 9, and drive unit 1 is connected with the whirligig 5 in integrate power field sedimentation separation district 10 by the central shaft 8 that runs through center feed pipe 11.The rotation of whirligig 5 is driven by drive unit 1, and the rotating speed of whirligig 5 is no more than 500r/min.
As shown in Figure 1, in the integrate power field multithread state gravity concentrator of the present embodiment, the main body mechanism of palsating equipment 7 is located at the outside in integrate power field sedimentation separation district 10, and be connected with the vertebral body component of gravity concentrator body 9 bottom, and palsating equipment 7 makes the fluid in integrate power field sedimentation separation district 10 fluctuate (see Fig. 6) up and down with sine wave by the reciprocating motion of its pull bar; The jig frequency scope of palsating equipment 7 is no more than 500 times/min, and stroke range is no more than 30cm.
As shown in Fig. 2 ~ Fig. 5, in the integrate power field multithread state gravity concentrator of the present embodiment, spoiler assembly 4 is evenly laid with to form an inclined plate sedimentation district in upwelling passage, the bottom of spoiler assembly 4 is communicated to integrate power field sedimentation separation district 10, and the top of spoiler assembly 4 is communicated to downflow weir 3 place (see Fig. 1 and Fig. 2).Spoiler assembly 4 in the present embodiment is formed by connecting primarily of the multiple choked flow flaggies vertically arranged, and is interconnected between each choked flow flaggy and forms the upwelling sedimentation passage of a fold-line-shaped.As shown in Figure 2, the choked flow flaggy of every one deck is made up of four spoiler unit 12 around center feed pipe 11, the layout and the central axis of four the spoiler unit 12 being positioned at every one deck centrally feed pipe 11 is centrosymmetric; Upwelling enters the outlet (see Fig. 2) of downflow weir 3 by spoiler unit 12.
As shown in Fig. 3 ~ Fig. 5, each spoiler unit 12 to be parallel to each other by polylith and the spoiler 13 be in tilted layout assembles; And the incline direction of spoiler 13 keeps symmetrical (namely the spoiler of levels is with the staggered docking in certain angle of inclination) to form the upwelling sedimentation passage (see Fig. 1) of " people " font in two spoiler unit 12 of neighbouring docking; The angle Angle ambiguity of " people " font upwelling sedimentation passage is at 50 ° ~ 80 °.Vertical range in each spoiler unit 12 between adjacent two spoilers 13 is 5 ~ 50mm, the spoiler 13 be respectively arranged in parallel is assembled on the mount pad of a spoiler unit 12 by insertion slot type connected mode, and mount pad is provided with the grafting (see Fig. 7) of multiple swash plate cutting 14 be arranged in parallel for spoiler 13.
The course of work of the integrate power field multithread state gravity concentrator that the present embodiment is above-mentioned is as follows: start drive unit 1, whirligig 5 is rotated with certain speed, in integrate power field sedimentation separation district 10, produces turbulent fluctuation flow field, ore pulp enters the integrate power field sedimentation separation district 10 in reverse taper component along material inlet 2 and center feed pipe 11 passage passed in spoiler assembly 4, spontaneous formation fluidisation mineral deposit in infall process, (see Fig. 6) is moved with sine wave in fluidisation mineral deposit in the reciprocatory movement of palsating equipment 7, to realize the segregation of mineral in mineral deposit, layering, the mineral that density is large move downwardly to underflow opening 6 through the sedimentation of fluidisation mineral deposit, due to the concussion effect of the peptizaiton and palsating equipment 7 that are subject to whirligig 5 in infall process, carrying and being mingled with other mineral can be greatly reduced, the mineral that density is little then pass the fold-line-shaped upwelling sedimentation passage of spoiler assembly 4 formation with upwelling, move to downflow weir 3 place, part with the large mineral of fine fraction density of upwelling motion through upwelling sedimentation passage area, due to the increase of settling area and the shortening of settling height, be settled down to before moving to downflow weir 3 on spoiler 13, thus realize the sorting of different densities mineral.
As seen from the above-described embodiment, integrate power field multithread state gravity concentrator of the present invention is in order to create good separation condition to mineral, improve the efficiency of separation of mineral, reduce mineral being mingled with in infall process, carry, strengthen fine-graded recovery, equipment is at different parts, zones of different provides different fluid states, material disperses in the turbulent fluctuation flow field provided by whirligig 5, sedimentation, emanate in the pulsed vibration field provided by palsating equipment 7, layering, fine fraction is realized in the Laminar Flow provided by spoiler assembly 4, the recovery of large density granule, achieve various flow field, field of force grading effect is had complementary advantages, the dehydration of mineral can be widely used in, desliming, classification, throw the operation such as tail and mineral purification in advance.
Claims (10)
1. an integrate power field multithread state gravity concentrator, it is characterized in that: described integrate power field multithread state gravity concentrator comprises gravity concentrator body, integrate power field sedimentation separation district, drive unit, whirligig and palsating equipment, described whirligig and palsating equipment are arranged on the bottom of gravity concentrator body, and making the bottom of gravity concentrator body form a turbulent fluctuation flow field and pulsed vibration field coefficient integrate power field sedimentation separation district, the rotation of described whirligig is driven by drive unit; The top center region of described gravity concentrator body is provided with material inlet, and material inlet is communicated with the integrate power field sedimentation separation district of bottom by center feed pipe; The bottom in integrate power field sedimentation separation district is provided with underflow opening, the top in integrate power field sedimentation separation district by one around the upwelling channel connection of center feed pipe to the downflow weir place of described gravity concentrator bodies top.
2. integrate power field multithread state gravity concentrator according to claim 1, it is characterized in that: the column member of described gravity concentrator body primarily of top and the vertebral body component composition of bottom, and described integrate power field sedimentation separation district is mainly arranged in the lower area that vertebral body component surrounds, described upwelling passage is then mainly arranged in the upper area that column member surrounds.
3. integrate power field multithread state gravity concentrator according to claim 1, it is characterized in that: the over top of gravity concentrator body is located at by described drive unit, and drive unit is connected with the whirligig in described integrate power field sedimentation separation district by the central shaft that runs through described center feed pipe.
4. integrate power field multithread state gravity concentrator according to claim 1, it is characterized in that: the main body mechanism of described palsating equipment is located at the outside in integrate power field sedimentation separation district, and palsating equipment makes the fluid in integrate power field sedimentation separation district fluctuate up and down with sine wave by the reciprocating motion of its pull bar.
5. integrate power field multithread state gravity concentrator according to claim 1, it is characterized in that: the rotating speed of described whirligig is no more than 500r/min, the jig frequency scope of described palsating equipment is no more than 500 times/min, and stroke range is no more than 30cm.
6. the integrate power field multithread state gravity concentrator according to any one of Claims 1 to 5, it is characterized in that: be evenly laid with spoiler assembly in described upwelling passage to form an inclined plate sedimentation district, the bottom of described spoiler assembly is communicated to integrate power field sedimentation separation district, and the top of described spoiler assembly is communicated to downflow weir place.
7. integrate power field multithread state gravity concentrator according to claim 6, it is characterized in that: described spoiler assembly is formed by connecting primarily of the multiple choked flow flaggies vertically arranged, and be interconnected between each choked flow flaggy and form the upwelling sedimentation passage of a S shape or fold-line-shaped.
8. integrate power field multithread state gravity concentrator according to claim 7, it is characterized in that: the choked flow flaggy of every one deck is made up of the multiple spoiler unit around described center feed pipe, the layout and the central axis of the multiple spoiler unit being positioned at every one deck centrally feed pipe is centrosymmetric.
9. integrate power field multithread state gravity concentrator according to claim 8, is characterized in that: each spoiler unit to be parallel to each other by polylith and the spoiler be in tilted layout assembles; And the incline direction of spoiler keeps symmetrical to form the upwelling sedimentation passage of " people " font in two spoiler unit of neighbouring docking; The angle Angle ambiguity of described " people " font upwelling sedimentation passage is at 50 ° ~ 80 °.
10. integrate power field multithread state gravity concentrator according to claim 9, it is characterized in that: the vertical range in each spoiler unit between adjacent two spoilers is 5 ~ 50mm, the spoiler be respectively arranged in parallel is assembled on the mount pad of a spoiler unit by insertion slot type connected mode.
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| CN201510077184.6A CN104689900B (en) | 2015-02-13 | 2015-02-13 | Comprehensive field of force multithread state gravity concentrator |
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| CN105880005A (en) * | 2016-05-10 | 2016-08-24 | 中南大学 | Mineral sorting device |
| CN106179775A (en) * | 2016-07-18 | 2016-12-07 | 中国矿业大学 | A kind of fine swash plate heavily floats separator |
| CN112138853A (en) * | 2020-09-08 | 2020-12-29 | 东北大学 | Fine particle hydraulic classification device and method based on vortex oblique flow |
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| CN104689900B (en) | 2017-12-01 |
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