CN105665117B - A kind of improved cloud tin formula shaking table sand table face structure - Google Patents
A kind of improved cloud tin formula shaking table sand table face structure Download PDFInfo
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- CN105665117B CN105665117B CN201610093549.9A CN201610093549A CN105665117B CN 105665117 B CN105665117 B CN 105665117B CN 201610093549 A CN201610093549 A CN 201610093549A CN 105665117 B CN105665117 B CN 105665117B
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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
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
- B03B5/04—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on shaking tables
- B03B5/06—Constructional details of shaking tables, e.g. riffling
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Abstract
A kind of improved cloud tin formula shaking table sand table face structure, table surface is from roughing area (1), thick final election area (2), the first smart final election area (3), the second smart final election area (4), the 3rd smart final election area (5), shallow ridges area (6), selected area (7) for including sequential by head of a bed one end to tailstock；Table surface base slope becomes slope by three since thick final election area and three flat slopes form, wherein, thick final election area is the first climbing pinching area, first smart final election area is flat slope area, second smart final election area is the second climbing pinching area, 3rd smart final election area is the 3rd climbing pinching shallow ridges area, and shallow ridges area and selected area are planar delta area, and thick final election area is identical with the gradient in the second smart final election area and is more than the gradient in the 3rd smart final election area.The present invention can improve 74 μm of grade cassiterite rate of recovery and shaking table treating capacity and superseded troilite and iron ore ability.
Description
Technical field
The invention belongs to mine ore dressing plant machinery technical field, and in particular to the bed surface structure of cloud tin formula shaking table.
Background technology
Cloud tin formula shaking table is mainly made up of transmission mechanism, frame and table surface, is had concentration ratio height, is once sorted and can obtain
The advantages that to final concentrate.The structure of wherein table surface has a great influence to aeneficiation effect.Existing cloud tin formula shaking table sand table
Face is by roughing area (flat slope area), thick final election area (the first climbing pinching area), the first smart final election area (flat slope area), the second smart final election area
(the second climbing pinching area), the 3rd smart final election area (flat slope area), the 4th smart final election area (the 3rd climbing pinching area), selected area (three
Angle plane area) form, the technical parameter in its bed surface structure and each area is unreasonable, is primarily present following deficiency：
A. roughing area (scanning area) groove volume is inadequate, " collecting " ability to target minreal.Trench depth is inadequate, choosing
Other rank is narrow, and the inadaptable tin containing pyrite sorts, and the tin rate of recovery and Tin concentrate are second-rate.Slot width is inadequate, sorting
Process is disorderly, and the rate of recovery of p- 74mm grades mineral is low.Riffling groove longitudinal direction section variation is unreasonable, and larger to proportion is non-
The superseded scarce capacity of target minreal so that the mineral of different specific weight divide band not clear enough on bed surface.
B. the change at bed surface head fall and final election area pinching angle is unreasonable, causes the separating effect in each region to be paid no attention to
Think, selected area's concentrate grade and the rate of recovery are not high enough, eliminate proportion and the little troilite scarce capacity of cassiterite difference, guiding and
Protect scarce capacity of cassiterite advance etc..
C. shaking table treating capacity is smaller and water consume is higher.
The content of the invention
The invention aims to solve the problems, such as existing cloud tin formula shaking table sand table face structure, there is provided one kind can carry
High -74 μm of grade cassiterite rate of recovery and shaking table treating capacity and superseded troilite and the improved cloud tin formula shaking table of iron ore ability
Sand table face structure.
The purpose of the present invention is achieved through the following technical solutions：
A kind of improved cloud tin formula shaking table sand table face structure, the table surface from by head of a bed one end to tailstock include according to
Roughing area, thick final election area, the first smart final election area, the second smart final election area, the 3rd smart final election area, shallow ridges area, the selected area of sequence arrangement；
Table surface base slope becomes slope by three since thick final election area and three flat slopes form, wherein, thick final election area is the first climbing pinching
Area, the first smart final election area are flat slope area, and the second smart final election area is the second climbing pinching area, and the 3rd smart final election area is the 3rd climbing point
Go out shallow ridges area, shallow ridges area is planar delta area, and selected area is also the gradient in planar delta area, thick final election area and the second smart final election area
The gradient identical and more than the 3rd smart final election area；Break from the groove between the riffling extended by head of a bed one end to tailstock concentrate with direction
Face, in thick final election area and the first smart final election area, groove cross-sectional area extends the reduction that has functional relation with distance, in the second smart final election
Area and the 3rd smart final election area, the quadratic relationship that groove cross-sectional area extends into function with distance are reduced.
The thick final election area of the present invention, the second smart final election area, the gradient in the 3rd smart final election area are 0.003~3.0%；Thick final election
Area, the second smart final election area, total length of grade in the 3rd smart final election area are 100~1500mm.The riffling width of table surface is 2~35mm,
Slot width between riffling is 15~60mm, and riffling and groove are 28~56, and riffling is highly 10.5~17mm.Thick final election
The length of grade in area is 100~600mm；The riffling height in the first smart final election area is than the riffling reduced height 10~90% in roughing area, bed
The slot width increase 45~90% in the thick final election area of gap width ratio of bar；Second smart final election area by longitudinal direction to ore deposit end climbing away from
It is short from than with a distance from the climbing by longitudinal mine-discharging terminal, give the trapezoidal arrangement from top to bottom of ore deposit end to longitudinal mine-discharging terminal from longitudinal direction.It is described
The roughing area of table surface is flat slope area, and the pinching angle in the second smart final election area is 0~5%, the pinching angle in the 3rd smart final election area for 0~
3%, the distance between the pinch-out boundary in the second smart final election area and the 3rd smart final election area is 3~20mm.In the second smart final election area, the 3rd
Smart final election area, shallow ridges area, row's shallow ridges is laid with selected area's bed surface, shallow ridges has started slope by the second smart final election area, through the 3rd
Intersection to the horizontal mine-discharging terminal in smart final election area and shallow ridges area is discharged, transition of the shallow ridges section between U-shaped or V-arrangement or U and V
Shape.
Compared with prior art, improvement of the invention and advantage are as follows：
A. by the smart final election area of former bed surface by the first smart final election area (flat slope area), second smart final election area (the second climbing pinching
Area), the 3rd smart final election area (flat slope area), the 4th smart final election area (the 3rd climbing pinching area) composition be improved to the present invention by first
Smart final election area (flat slope area), the second smart final election area (the second climbing pinching area), the 3rd smart final election area (the 3rd climbing pinching shallow ridges
Area) composition, by the selected area (planar delta area) of former bed surface be changed into the present invention by shallow ridges area (planar delta area) and selected area
(planar delta area) two district's groups into.
B. riffling is increased, the slot width increase between riffling, riffling and groove increase to 28~56, and riffling highly carries
Up to 10.5~17mm, bed surface is sorted the riffling density of volume (slightly, scanning area) and riffling distribution area improves on year-on-year basis, shaking table
In assorting room, coarse grain mineral grain is easy to settle, is layered after entering bed surface.Riffling groove volume, riffling density, riffling point
The increase of cloth area brings shaking table and bears selected load and trap the increase of heavy mineral ability, improves separating effect, improves
The treating capacity of shaking table, enhances trapping ability of the roughing area (scanning area) to mineral.
C. riffling groove longitudinal direction section reasonable change, riffling groove section extends by head of a bed one end to tailstock concentrate band, preceding
Phase (thick final election area and the first smart final election area) its basal area extends the reduction that has functional relation, later stage (the second smart final election with distance is prolonged
Area and the 3rd smart final election area) quadratic relationship reduction of its basal area with extended distance into function, bed surface can be strengthened to non-purpose ore deposit
Thing is eliminated, and especially the larger non-target minreal of proportion is superseded so that the mineral of different specific weight divide band more clear on bed surface
It is clear.
D. the change of bed surface head fall, when mineral sort during pinching area bar bottom of trench is climbed, first have to eliminate
It is small than heavy mineral, now ore bed is thicker, and Fine cassiterite is not easy to lose.Compared with prior art, the present invention is similar in total gradient
In the case of, increase the first length of grade (thick final election area length of grade), eliminate coarse grain gangue and pyrite, the first domatic superseded non-purpose ore deposit
After thing, the vertical bar area (the first smart final election area) for the wide increase of flat slope highly shortened than roughing area riffling is provided with again, with buffering, surely
Determine cassiterite particle swarm, slow down its disorderly phenomenon, enhanced protection Fine cassiterite mineral, then enter back into second domatic (the second smart final election
Area) narrow vertical bar area, this is domatic to lean on to the climbing of ore deposit end apart from short, can eliminate big and heavy mineral, relative by the distance of longitudinal mine-discharging terminal
It is longer, the thin light mineral in part can be eliminated, from top to bottom trapezoidal arrangement, be advantageous to sorting of the mineral in selected area, first
The slope gradient is larger, and the connected gradient less second of flat slope followed by entrance is domatic, the 3rd domatic (the second smart final election area is domatic), this
Sample speed can abandon the small non-purpose ore deposit of proportion faster when beginning ore bed is thicker during the second smart after backwashing area final election
Thing, then ore bed to it is relatively thin when, and heavy pyrite is abandoned with slower speed, so as to reduce the loss of cassiterite.The
First, two, the three total lengths of grade in slope increased than prior art, can improve the superseded ability to pyrite.
E. bed surface final election area pinching angle reasonable change, increase from pinching final election area pinching angle, can strengthen to fine size, proportion
The recovery of larger mineral, reduce to the final pinching angle in pinching final election area, so that pinching angle reduces, selected band lengthens, while point
Vanishing point spacing also lengthens, and enhances refining process, improves selected area's concentrate grade and the rate of recovery, can be lifted to entering to choose, carefully
The collecting of grade heavy mineral.
F. the gradient on three slopes in prior art sand table face is all 1.42%, and three slopes of the present invention are to become slope, slope
Spend for 0.003~3.0%, wherein first gradient maximum, second gradient is identical with first gradient, the 3rd gradient compared with
It is small, the superseded ability of proportion and the little troilite of cassiterite difference can be strengthened, and avoid pressing from both sides grey ability.
G. the present invention be provided with guiding and protection cassiterite advance small shallow ridges (group), small shallow ridges can trap sort layering after position
In ore bed lower floor heavy mineral particle swarm and it can be protected to transport to concentrate band forward along groove.This acts on final election area, especially
It is more prominent in selected planar delta area.Small shallow ridges can make the big proportion being covered under the larger layer mineral of proportion in after backwashing area
Mineral are guided into concentrate band, improve the sorting situation between the small mineral of difference in specific gravity；In selected planar delta area, small shallow ridges can be protected
Big in shield concentrate band is not easy washed away than heavy mineral, is allowed to Yan Qigou (group) and is first drawn without ore deposit part to planar delta area
Width, so as to broadening concentrate band, heavy mineral is set fully to reclaim.Small shallow ridges trapping, protection, guiding heavy mineral.
In summary, the present invention uses small shallow ridges, changeable slope, the structure for forming irregular climbing area from top to bottom,
The recovery of p- 74 μm of grade cassiterite can be strengthened, improve the ability for eliminating troilite and iron ore, while shaking table treating capacity can be improved
50~100%, and can using water wisely.The structure can be used for any one material (such as fiberglass, modified rubber, raw lacquer face, wear-resisting
Material etc.) bed surface.
Present invention is expanded on further with reference to Figure of description.
Brief description of the drawings
Fig. 1 is sand table face partitioned organization schematic diagram of the present invention；
Fig. 2 is bed surface gradient section (M-M) enlarged diagram；
Fig. 3 is bed surface Section A-A figure；
Fig. 4 is bed surface section B-B figure；
Fig. 5 is bed surface C-C sectional views；
Fig. 6 is bed surface D-D sectional views；
Fig. 7 is bed surface E-E sectional views.
Embodiment
Improved cloud tin formula shaking table sand table face structure as shown in Fig. 1~Fig. 7, the table surface from by head of a bed one end to
Tailstock includes roughing area 1, thick final election area 2, the first smart final election area 3, the second smart final election area 4, the 3rd smart final election area of sequential
5th, shallow ridges area 6, selected area 7；Table surface base slope becomes slope by three since thick final election area and three flat slopes form, wherein, it is thick multiple
Constituency 2 is the first climbing pinching area, and the first smart final election area 3 is flat slope area, and the second smart final election area 4 is the second climbing pinching area, the
Three smart final election areas 5 are the 3rd climbing pinching shallow ridges area, and shallow ridges area 6 is planar delta area, and selected area 7 is also planar delta area.Slightly
Constituency 1 is flat slope area.Thick final election area 2 is identical with the gradient in the second smart final election area 4 and is more than the gradient in the 3rd smart final election area 5.Slightly
Final election area 2, the second smart final election area 4, the gradient in the 3rd smart final election area 5 are 0.005~3.0%, and the gradient of roughing area 1 is more than thick final election
The gradient in 2 and second smart final election area 4 of area, thick final election area 2, the second smart final election area 4, total length of grade in the 3rd smart final election area 5 for 100~
1500mm.The pinching angle in the second smart final election area 4 is 0~5%, and the pinching angle in the 3rd smart final election area 5 is 0~3%, the second smart final election
The distance between the pinch-out boundary in 4 and the 3rd smart final election area 5 of area is 3~20mm.The riffling 8 or 8a width of table surface are 2~35mm,
The width of groove 9 between riffling is 15~60mm, and riffling and groove are 28~56, and riffling is highly 10.5~17mm.From by
Groove section between the riffling that head of a bed one end extends to tailstock concentrate with direction, in thick 2 and first smart final election area 3 of final election area, groove
Ditch basal area has functional relation reduction with distance extension, in the second smart 4 and the 3rd smart final election area 5 of final election area, groove basal area with
The quadratic relationship that distance extends into function is reduced.The length of grade in thick final election area 2 is 100~600mm；The riffling in the first smart final election area 3
8a height is than the reduced height 10~90% of riffling 8 in roughing area 1, the width of groove 9 increasing in the thick final election area of gap width ratio of riffling
It is big by 45~90%；Second smart final election area 4 by longitudinal direction to ore deposit end I climbing distance than the climbing by longitudinal mine-discharging terminal III apart from short,
The trapezoidal arrangement from top to bottom of ore deposit end to longitudinal mine-discharging terminal is given from longitudinal direction.In the second smart final election area 4, the 3rd smart final election area 5, shallow ridges
Row's shallow ridges 10 is laid with area 6, the bed surface of selected area 7, shallow ridges has started slope by the second smart final election area 4, through the 3rd smart final election area 5
Discharged with intersection to the horizontal mine-discharging terminal in shallow ridges area 6, transition shape of the shallow ridges section between V-arrangement or U-shaped or V and U.
It only will be obvious that the gradient of above six regions (1~6) becomes in bed surface gradient enlarged section shown in Fig. 2
Change, shallow ridges area 6 in sustained height plane (overlapping two planes are one plane of sustained height) with selected area 7.
Section A-A shown in Fig. 3 is the magnifying state to groove shape after roughing area (scanning area) 1 flat slope face cutting, Fig. 4 institutes
It is the magnifying state to groove shape after the climbing section straight bed bar cutting of thick final election area 2 to show section B-B, and C-C sections shown in Fig. 5 is pair
The magnifying state of groove shape after the first smart flat slope face cutting of final election area 3, D-D sections shown in Fig. 6 are that the second smart final election area 4 is climbed
The magnifying state of groove shape after the section straight bed bar cutting of slope, E-E sections shown in Fig. 7 are same to the 3rd smart final election area 5 and shallow ridges area 6
When cutting after small shallow ridges shape magnifying state.Small shallow ridges 10 slope by the second smart final election area 4, through the 3rd smart (the secondary essence of final election area 5
Mine belt) discharged with the intersection in shallow ridges area 6 (concentrate band) to horizontal mine-discharging terminal (concentrate end) II.
The present invention makees through 600 ton per day tin copper symbiotic sulfide ore production procedure tin gravity treatment of many enterprises of Yunnan Province, one, two section of bed
Industry verification experimental verification, mine-supplying quantity are improved to 55~75 ton per day platforms by former 30~35 ton per day platforms.Because the adjustment of selected area's gradient is washed in a pan
Ability enhancing is eliminated, Xian Di waters are reduced to 15~30 ton per day platforms by 30~60 ton per day platforms, reduce by one times, and will not send out bed unrestrained
Phenomenon.Processing size fraction ranges spread to 2.0~0.074mm by 2.0~0.5mm.Under the same terms, treating capacity 15~25 is improved
Ton, improve tin rough concentrate grade 3~5%, the ㎜ grain-level recoveries of the tin rate of recovery 6~20%, 0.074~0.037 reach 27.27~
51.12%, 0.037~0.019 ㎜ Recovery of fine particle fraction reaches 3.96~16.72%, significant effect.
Claims (6)
- A kind of 1. improved cloud tin formula shaking table sand table face structure, it is characterised in that the table surface from by head of a bed one end to Roughing area (1) of the tailstock including sequential, thick final election area (2), the first smart final election area (3), the second smart final election area (4), the 3rd Smart final election area (5), shallow ridges area (6), selected area (7)；Table surface base slope becomes slope and three flat slopes since thick final election area by three Composition, wherein, thick final election area (2) is the first climbing pinching area, and the first smart final election area (3) is flat slope area, the second smart final election area (4) For the second climbing pinching area, the 3rd smart final election area (5) is the 3rd climbing pinching shallow ridges area, and shallow ridges area (6) are planar delta area, essence Constituency (7) is also planar delta area, and thick final election area (2) is identical with the gradient of the second smart final election area (4) and is more than the 3rd smart final election The gradient in area (5)；From the groove section between the riffling extended by head of a bed one end to tailstock concentrate with direction, in thick final election area (2) With the first smart final election area (3), groove cross-sectional area has functional relation reduction with distance extension, in the second smart final election area (4) and the Three smart final election areas (5), the quadratic relationship that groove cross-sectional area extends into function with distance are reduced.
- A kind of 2. improved cloud tin formula shaking table sand table face structure according to claim 1, it is characterised in that thick final election Area (2), the second smart final election area (4), the gradient of the 3rd smart final election area (5) are 0.003~3.0%；Thick final election area (2), the second essence Final election area (4), total length of grade of the 3rd smart final election area (5) are 100~1500mm.
- 3. a kind of improved cloud tin formula shaking table sand table face structure according to claim 1 or 2, it is characterised in that shake The riffling width of bed surface is 2~35mm, and groove (9) width between riffling is 15~60mm, and riffling and groove are 28~56, Riffling is highly 10.5~17mm.
- 4. a kind of improved cloud tin formula shaking table sand table face structure according to claim 1 or 2, it is characterised in that thick The length of grade in final election area (2) is 100~600mm；The riffling height of first smart final election area (3) highly contracts than the riffling of roughing area (1) It is small by 10~90%, groove (9) width increase 45~90% in the thick final election area of gap width ratio of riffling；Second smart final election area (4) By longitudinal direction to ore deposit end climbing distance than the climbing by longitudinal mine-discharging terminal apart from short, from longitudinal direction to ore deposit end to longitudinal mine-discharging terminal by upper The trapezoidal arrangement under.
- A kind of 5. improved cloud tin formula shaking table sand table face structure according to claim 1 or 2, it is characterised in that institute The roughing area (1) for stating table surface is flat slope area, and the pinching angle in the second smart final election area is 0~5%, the pinching angle in the 3rd smart final election area For 0~3%, the distance between the pinch-out boundary in the second smart final election area and the 3rd smart final election area is 3~20mm.
- A kind of 6. improved cloud tin formula shaking table sand table face structure according to claim 1 or 2, it is characterised in that Second smart final election area (4), the 3rd smart final election area (5), shallow ridges area (6), be laid with row's shallow ridges (10) on selected area (7) bed surface, Shallow ridges has started slope by the second smart final election area, and intersection to the horizontal mine-discharging terminal through the 3rd smart final election area and shallow ridges area is discharged, shallow Transition shape of the ditch section between U-shaped or V-arrangement or U and V.
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| CN201610093549.9A CN105665117B (en) | 2016-02-19 | 2016-02-19 | A kind of improved cloud tin formula shaking table sand table face structure |
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| CN201610093549.9A CN105665117B (en) | 2016-02-19 | 2016-02-19 | A kind of improved cloud tin formula shaking table sand table face structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774433A (en) * | 2016-08-29 | 2018-03-09 | 江西省威尔国际矿业装备有限公司 | Overstrom table bed surface |
| CN109174440B (en) * | 2018-08-07 | 2021-06-01 | 玉溪大红山矿业有限公司 | Method and device for recovering gold from tailings |
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