CN105665117A - Improved coarse sand shaking table face of yunxi type shaking table - Google Patents
Improved coarse sand shaking table face of yunxi type shaking table Download PDFInfo
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- CN105665117A CN105665117A CN201610093549.9A CN201610093549A CN105665117A CN 105665117 A CN105665117 A CN 105665117A CN 201610093549 A CN201610093549 A CN 201610093549A CN 105665117 A CN105665117 A CN 105665117A
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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
The invention discloses an improved coarse sand shaking table face of a yunxi type shaking table. The shaking table face comprises a coarse selecting area (1), a coarse re-selecting area (2), a first fine re-selecting area (3), a second fine re-selecting area (4), a third fine re-selecting area (5), a shallow trench area (6) and a fine selecting area (7), all of which are sequentially arranged from the end close to a bedside to a tailstock. A bottom slope of the shaking table face is composed of three varying slopes and three flat slopes from the coarse re-selecting area, wherein the coarse re-selecting area is a first climbing wedge-out area, the first fine re-selecting area is a flat slope area, the second fine re-selecting area is a second climbing wedge-out area, the third fine re-selecting area is a third climbing wedge-out shallow trench area, the shallow trench area and the fine selecting area are triangular plane areas, and the gradient of the coarse re-selecting area and the gradient of the second fine re-selecting area are equal to and larger than that of the third fine re-selecting area. According to the improved coarse sand shaking table face, the recycling rate of cassiterite with the size fraction being -74 microns, the handling capacity of a shaking table and the capability of eliminating iron pyrite and iron ore can be improved.
Description
Technical field
The invention belongs to mine ore dressing plant machinery technical field, be specifically related to the bed surface structure of cloud stannum formula shaking table.
Background technology
Cloud stannum formula shaking table is mainly made up of drive mechanism, frame and table surface, has concentration ratio height, once sorts and just can obtain the advantages such as final concentrate. Wherein the structure of table surface is bigger to ore dressing influential effect. Existing cloud stannum formula shaking table sand table face by roughly selecting district (flat slope area), thick final election district (first climbing pinching district), the first essence final election district (flat slope area), the second essence final election district (the second climbing pinching district), the 3rd essence final election district (flat slope area), the 4th essence final election district (the 3rd climbing pinching district), selected district (planar delta district) form, the technical parameter in its bed surface structure and each district is all unreasonable, is primarily present following deficiency:
A. district's (scanning district) groove volume is roughly selected inadequate, " collecting " ability to target minreal. Trench depth is inadequate, sorts rank narrow, and inadaptable sorting containing pyrite stannum, the stannum response rate and Tin concentrate are second-rate. Slot width is inadequate, and assorting room is disorderly, and the response rate of p-74mm grade mineral is low. Riffling groove longitudinal direction section variation is unreasonable, the superseded scarce capacity to the bigger non-target minreal of proportion so that the mineral of different specific weight point band on bed surface is clear not.
B. the change at bed surface head fall and pinching angle, final election district is unreasonable; cause that the separating effect in each region is undesirable; selected district concentrate grade and the response rate are not high enough, eliminate the troilite scarce capacity that proportion is little with cassiterite difference, guide and protect the scarce capacity etc. that cassiterite advances.
C. shaking table treating capacity is less and water consumption is higher.
Summary of the invention
The problem that the invention aims to solve existing cloud stannum formula shaking table sand table face structure, it is provided that the cloud stannum formula shaking table sand table face structure of a kind of improvement improving-74 μm of grade cassiterite response rate and shaking table treating capacity and superseded troilite and iron ore ability.
The purpose of the present invention is achieved through the following technical solutions:
A kind of cloud stannum formula shaking table sand table face structure of improvement, described table surface from by head of a bed one end to tailstock include sequential roughly select district, thick final election district, first essence final election district, second essence final election district, the 3rd essence final election district, shallow ridges district, selected district; Table surface base slope starts from thick final election district to be made up of three change slopes and three flat slopes, wherein, thick final election district is the first climbing pinching district, first essence final election district is flat slope area, second essence final election district is the second climbing pinching district, and the 3rd essence final election district is the 3rd climbing pinching shallow ridges district, and shallow ridges district is planar delta district, selected district is also planar delta district, the thick final election district gradient identical and the smart final election district more than the 3rd with the gradient in the second essence final election district. The thick final election district of the present invention, second essence final election district, the 3rd essence final election district the gradient be 0.003～3.0%;Thick final election district, second essence final election district, the 3rd essence final election district total length of grade be 100～1500mm. The riffling width of table surface is 2～35mm, and the slot width between riffling is that 15～60mm, riffling and groove are 28～56, and riffling height is 10.5～17mm. Groove section between the riffling extended to tailstock concentrate with direction by head of a bed one end, in thick final election district and the first essence final election district, groove basal area extends into functional relationship with distance and reduces, in the second essence final election district and the 3rd essence final election district, the quadratic relationship that groove basal area extends into function with distance reduces. The length of grade in thick final election district is 100～600mm; The riffling aspect ratio in the first essence final election district roughly selects the riffling reduced height 10～90% in district, and the slot width in the thick final election district of gap width ratio of riffling increases 45～90%; Second essence final election district by longitudinally to the climbing distance of ore deposit end than leaning on the climbing of longitudinal mine-discharging terminal apart from short, from longitudinally to ore deposit end to longitudinal direction mine-discharging terminal trapezoidal arrangement from top to bottom. Described table surface roughly select district's gradient more than thick final election district and second essence final election district the gradient, the pinching angle in the second essence final election district is 0～5%, the pinching angle in the 3rd essence final election district is 0～3%, and the distance between the pinch-out boundary in the second essence final election district and the 3rd essence final election district is 3～20mm. Second essence final election district, the 3rd essence final election district, shallow ridges district, selected district bed surface are laid with row's shallow ridges, shallow ridges has been started slope by the second essence final election district, intersection through the 3rd essence final election district and shallow ridges district is discharged to horizontal mine-discharging terminal, and shallow ridges section is the transition shape between U-shaped or V-arrangement or U and V.
Compared with prior art, the improvement of the present invention and advantage are as follows:
A. by the smart final election district of former bed surface by the first essence final election district (flat slope area), second essence final election district (the second climbing pinching district), 3rd essence final election district (flat slope area), 4th essence final election district (the 3rd climbing pinching district) composition be improved to the present invention by the first essence final election district (flat slope area), second essence final election district (the second climbing pinching district), 3rd essence final election district (the 3rd climbing pinching shallow ridges district) composition, the selected district (planar delta district) of former bed surface is become being made up of shallow ridges district (planar delta district) and (planar delta district) twoth district of selected district of the present invention.
B. increased by riffling, slot width between riffling increases, riffling and groove increase to 28～56, riffling height is increased to 10.5～17mm, make bed surface sort the riffling density of volume (thick, scan district) and riffling distribution area improves on year-on-year basis, shaking table is in assorting room, and coarse grain mineral grain is prone to sedimentation, layering after entering bed surface. Riffling groove volume, riffling density, riffling distribution area increase bring shaking table bear selected load and trapping heavy mineral ability increase, improve separating effect, improve the treating capacity of shaking table, enhance the trapping ability roughly selecting district's (scanning district) to mineral.
C. riffling groove longitudinal direction section reasonable change, riffling groove section extends to tailstock concentrate band by head of a bed one end, early stage (thick final election district and the first essence final election district) its basal area extends into functional relationship minimizing with prolonging distance, later stage (the second essence final election district and the 3rd essence final election district) its basal area becomes the quadratic relationship of function to reduce with extended distance, bed surface eliminating non-target minreal can be strengthened, especially eliminating of the non-target minreal that proportion is bigger so that the mineral of different specific weight point band on bed surface is apparent.
D. the change of bed surface head fall, when mineral sort in the process of pinching district bar bottom of trench climbing, first has to eliminate little ratio heavy mineral, and now ore bed is thicker, and Fine cassiterite not easily loses. compared with prior art, the present invention is when total gradient is close, increase the first length of grade (thick final election district length of grade), eliminate coarse grain stone-like pulse and pyrite, after first domatic superseded non-target minreal, it is provided with again the ratio vertical bar district (the first smart final election district) roughly selecting the wide increase of flat slope that district's riffling height shortens, with buffering, stablize cassiterite grain group, slow down its disorderly phenomenon, enhanced protection Fine cassiterite mineral, enter back into the second domatic (the second essence final election district) narrow vertical bar district subsequently, this is domatic by climbing apart from short to ore deposit end, big and heavy mineral can be eliminated, distance by longitudinal mine-discharging terminal is more relatively long, the thin light mineral of part can be eliminated, trapezoidal arrangement from top to bottom, be conducive to mineral in the sorting in selected district, the first slope gradient is bigger, less second domatic of the connected gradient is subsequently entered after flat slope, 3rd domatic (the second essence final election district is domatic), when so in the second essence after backwashing district final election process, beginning ore bed is thicker, speed can abandon the non-target minreal that proportion is little faster, then ore bed is to time relatively thin, heavy pyrite is abandoned again with slower speed, thus reducing the loss of cassiterite.The first, second and third total length of grade in slope increases to some extent than prior art, can improve the superseded ability to pyrite.
E. pinching angle, bed surface final election district reasonable change, increase from pinching angle, pinching final election district, the recovery to fine size, the bigger mineral of proportion can be strengthened, to pinching final election district, final pinching angle reduces, so that pinching angle reduces, selected band lengthens, pinching dot spacing also lengthens simultaneously, enhance refining process, improve selected district concentrate grade and the response rate, can promote entering to choose, the collecting of fine fraction heavy mineral.
F. the gradient on three slopes, prior art sand table face is all 1.42%, and the three of the present invention slopes are for becoming slope, the gradient is 0.003～3.0%, wherein first gradient is maximum, second gradient is identical with first gradient, 3rd gradient is less, can strengthen the superseded ability of the proportion troilite little with cassiterite difference, and avoid pressing from both sides ash ability.
G. the present invention is provided with the little shallow ridges (group) guiding and protecting cassiterite to advance, and little shallow ridges can trap the heavy mineral grain group being positioned at ore bed lower floor after sorting layering and it can be protected along groove to transport to forward concentrate band. This acts on final election district, more prominent in especially selected planar delta district. Can make the big ratio covering under the layer mineral that proportion is bigger in heavy mineral guiding to concentrate band at the medium and small shallow ridges in after backwashing district, improve the sorting situation between the little mineral of difference in specific gravity; In selected planar delta district, it is big not easily more washed away than heavy mineral that little shallow ridges can be protected in concentrate band, so as to widen first without ore deposit part along its ditch (group) to planar delta district, thus broadening concentrate band, makes heavy mineral be able to abundant recovery. The trapping of little shallow ridges, protection, guiding heavy mineral.
In sum, the present invention adopts little shallow ridges, changeable slope, forms the structure in the climbing of irregular from top to bottom district, can strengthen the recovery of p-74 μm of grade cassiterites, improve the ability eliminating troilite and iron ore, shaking table treating capacity 50～100% can be improved simultaneously, and can using water wisely. This structure can be used for the bed surface of any one material (such as fiberglass, modified rubber, Resina Toxicodendri verniciflui face, high-abrasive material etc.).
Present invention is expanded on further below in conjunction with Figure of description.
Accompanying drawing explanation
Fig. 1 is sand table face of the present invention partitioned organization schematic diagram;
Fig. 2 is bed surface gradient cross 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 view;
Fig. 6 is bed surface D-D sectional view;
Fig. 7 is bed surface E-E sectional view.
Detailed description of the invention
The cloud stannum formula shaking table sand table face structure of the improvement as shown in Fig. 1～Fig. 7, this table surface roughly selects district 1,3, second essence final election district the 4, the 3rd of essence final election district of thick final election district 2, first essence final election district 5, shallow ridges district 6, selected district 7 from what include sequential by head of a bed one end to tailstock; Table surface base slope starts from thick final election district to be made up of three change slopes and three flat slopes, wherein, thick final election district 2 is the first climbing pinching district, first essence final election district 3 is flat slope area, second essence final election district 4 is the second climbing pinching district, 3rd essence final election district 5 is the 3rd climbing pinching shallow ridges district, and shallow ridges district 6 is planar delta district, and selected district 7 is also planar delta district. Roughly select district 1 for flat slope area. Thick final election district 2 gradient identical and the smart final election district 5 more than the 3rd with the gradient in the second essence final election district 4. The gradient in essence final election district 5 of the 2, second essence final election district the 4, the 3rd of thick final election district is 0.005～3.0%, roughly selecting district 1 gradient gradient more than thick final election district 2 and the second essence final election district 4, total length of grade in essence final election district 5 of the 2, second essence final election district the 4, the 3rd of thick final election district is 100～1500mm.The pinching angle in the second essence final election district 4 is 0～5%, and the pinching angle in the 3rd essence final election district 5 is 0～3%, and the distance between the second essence final election district 4 and the pinch-out boundary in the 3rd essence final election district 5 is 3～20mm. Riffling 8 or the 8a width of table surface are 2～35mm, and groove 9 width between riffling is that 15～60mm, riffling and groove are 28～56, and riffling height is 10.5～17mm. Groove section between the riffling extended to tailstock concentrate with direction by head of a bed one end, in thick final election district 2 and the first essence final election district 3, groove basal area extends into functional relationship with distance and reduces, in the second essence final election district 4 and the 3rd essence final election district 5, the quadratic relationship that groove basal area extends into function with distance reduces. The length of grade in thick final election district 2 is 100～600mm; The riffling 8a aspect ratio in the first essence final election district 3 roughly selects riffling 8 reduced height 10～90% in district 1, and groove 9 width in the thick final election district of gap width ratio of riffling increases 45～90%; Second essence final election district 4 by longitudinally to the climbing distance of ore deposit end I than leaning on the climbing of longitudinal mine-discharging terminal III apart from short, from longitudinally to ore deposit end to longitudinal direction mine-discharging terminal trapezoidal arrangement from top to bottom. Second essence final election district the 4, the 3rd essence final election district 5, shallow ridges district 6, selected district 7 bed surface is laid with row's shallow ridges 10, shallow ridges has been started slope by the second essence final election district 4, intersection through the 3rd essence final election district 5 and shallow ridges district 6 is discharged to horizontal mine-discharging terminal, and shallow ridges section is the transition shape between V-arrangement or U-shaped or V and U.
Only will be obvious that the slope change of above six regions (1～6) in bed surface gradient enlarged section shown in Fig. 2, shallow ridges district 6 and selected district 7 be (two plane overlaps are one plane of sustained height) in sustained height plane.
Section A-A shown in Fig. 3 is to roughly selecting the magnifying state of groove shape after district's (scanning district) 1 flat slope face cutting, section B-B shown in Fig. 4 is to the magnifying state of groove shape after the section of the climbing straight bed bar cutting of thick final election district 2, C-C cross section shown in Fig. 5 is to the magnifying state of groove shape after the first essence final election district 3 flat slope face cutting, D-D cross section shown in Fig. 6 is to the magnifying state of groove shape after the second essence final election district 4 section of climbing straight bed bar cutting, and E-E cross section shown in Fig. 7 is to the magnifying state of little shallow ridges shape behind the 3rd essence final election district 5 and shallow ridges district 6 cutting simultaneously. Little shallow ridges 10 is slope by the second essence final election district 4, discharges to horizontal mine-discharging terminal (concentrate end) II with the intersection in shallow ridges district 6 (concentrate band) through the 3rd essence final election district 5 (secondary concentrate band).
The present invention is through many enterprises of Yunnan Province 600 ton per day stannum copper symbiotic sulfide ore production procedure stannum gravity treatment one, two-stage nitration bed performance testing checking, and mine-supplying quantity is by former 30～35 ton per days. and platform is increased to 55～75 ton per days. platform. Eliminating ability due to the gradient adjustment of selected district to strengthen, the Xian Di water yield is by 30～60 ton per days. and platform is reduced to 15～30 ton per days. platform, reduces by one times, and will not send out bed phenomenon unrestrained. Process size fraction ranges and spread to 2.0～0.074mm by 2.0～0.5mm. Under the same terms, improving treating capacity 15～25 tons, raising tin rough concentrate grade 3～5%, the stannum response rate 6～20%, 0.074～0.037 grain-level recovery reach 27.27～51.12%, 0.037～0.019 Recovery of fine particle fraction reaches 3.96～16.72%, and effect is notable.
Claims (7)
1. the cloud stannum formula shaking table sand table face structure improved, it is characterized in that, described table surface from by head of a bed one end to tailstock include sequential roughly select district (1), thick final election district (2), first essence final election district (3), second essence final election district (4), the 3rd essence final election district (5), shallow ridges district (6), selected district (7);Table surface base slope starts from thick final election district to be made up of three change slopes and three flat slopes, wherein, thick final election district (2) is the first climbing pinching district, first essence final election district (3) is flat slope area, second essence final election district (4) is the second climbing pinching district, 3rd essence final election district (5) is the 3rd climbing pinching shallow ridges district, shallow ridges district (6) is planar delta district, selected district (7) is also planar delta district, identical with the gradient of the second essence final election district (4) and the smart final election district (5) more than the 3rd the gradient of thick final election district (2).
2. the cloud stannum formula shaking table sand table face structure of a kind of improvement according to claim 1, it is characterized in that, thick final election district (2), second essence final election district (4), the 3rd essence final election district (5) the gradient be 0.003～3.0%; Thick final election district (2), second essence final election district (4), the 3rd essence final election district (5) total length of grade be 100～1500mm.
3. the cloud stannum formula shaking table sand table face structure of a kind of improvement according to claim 1 and 2, it is characterized in that, the riffling width of table surface is 2～35mm, groove (9) width between riffling is 15～60mm, riffling and groove are 28～56, and riffling height is 10.5～17mm.
4. the cloud stannum formula shaking table sand table face structure of a kind of improvement according to claim 1 and 2, it is characterized in that, groove section between the riffling extended to tailstock concentrate with direction by head of a bed one end, in thick final election district (2) and the first essence final election district (3), groove basal area extends into functional relationship with distance and reduces, in the second essence final election district (4) and the 3rd essence final election district (5), the quadratic relationship that groove basal area extends into function with distance reduces.
5. the cloud stannum formula shaking table sand table face structure of a kind of improvement according to claim 1 and 2, it is characterised in that the length of grade in thick final election district (2) is 100～600mm; The riffling aspect ratio of the first essence final election district (3) roughly selects the riffling reduced height 10～90% in district 1, and groove (9) width in the thick final election district of gap width ratio of riffling increases 45～90%; Second essence final election district (4) by longitudinally to the climbing distance of ore deposit end than leaning on the climbing of longitudinal mine-discharging terminal apart from short, from longitudinally to ore deposit end to longitudinal direction mine-discharging terminal trapezoidal arrangement from top to bottom.
6. the cloud stannum formula shaking table sand table face structure of a kind of improvement according to claim 1 and 2, it is characterized in that, described table surface roughly select district (1) gradient more than thick final election district (2) and second essence final election district (4) the gradient, the pinching angle in the second essence final election district is 0～5%, the pinching angle in the 3rd essence final election district is 0～3%, and the distance between the pinch-out boundary in the second essence final election district and the 3rd essence final election district is 3～20mm.
7. the cloud stannum formula shaking table sand table face structure of a kind of improvement according to claim 1 and 2, it is characterized in that, second essence final election district (4), the 3rd essence final election district (5), shallow ridges district (6), selected district (7) bed surface are laid with row's shallow ridges (10), shallow ridges has been started slope by the second essence final election district, intersection through the 3rd essence final election district and shallow ridges district is discharged to horizontal mine-discharging terminal, and shallow ridges section is the transition shape between U-shaped or V-arrangement or U and V.
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN105665117B CN105665117B (en) | 2018-02-13 |
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| 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 |
| CN109174440A (en) * | 2018-08-07 | 2019-01-11 | 玉溪大红山矿业有限公司 | The method and device thereof of gold are recycled in a kind of tailing |
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| CN109174440A (en) * | 2018-08-07 | 2019-01-11 | 玉溪大红山矿业有限公司 | The method and device thereof of gold are recycled in a kind of tailing |
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| Publication number | Publication date |
|---|---|
| CN105665117B (en) | 2018-02-13 |
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