CN105233967B - Spiral chute structure, spiral chute and spiral chute preparation equipment - Google Patents
Spiral chute structure, spiral chute and spiral chute preparation equipment Download PDFInfo
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- CN105233967B CN105233967B CN201510736265.2A CN201510736265A CN105233967B CN 105233967 B CN105233967 B CN 105233967B CN 201510736265 A CN201510736265 A CN 201510736265A CN 105233967 B CN105233967 B CN 105233967B
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Abstract
The present invention relates to sorting mineral fields, disclose a kind of spiral chute structure, spiral chute and spiral chute preparation equipment.The spiral chute structure (1) includes the spiral chute section (2) for ore pulp flowing, the spiral chute structure (1) further includes positive electrode (3) and negative electrode (4), wherein, the negative electrode (4) is embedded under the spiral chute face (5) of the spiral chute section (2), the positive electrode (3) keeps being spaced above the spiral chute face (5) and with the spiral chute face (5), and dielectric field can be formed between the positive electrode (3) and the negative electrode (4).Dielectric field and gravitational field are combined by the spiral chute structure, having broken the choosing of prior art dielectric can only be by the use of organic dielectric liquid as the bottleneck of separating medium, the efficiency of separation of gravity treatment can be just greatly improved as dielectric liquid using water, allows that sorting mineral can only be carried out as picking equipment as the spiral chute of roughing separation equipment originally.
Description
Technical field
The present invention relates to mineral separation technical fields, and in particular, to a kind of spiral chute structure for sorting mineral,
A kind of spiral chute with this spiral chute structure and a kind of spiral chute preparation equipment with this spiral chute.
Background technology
In general, in the sorting of mineral, most of useful metal mineral are sorted except appearance is compared in the sorting of strongly magnetic mineral
Except easily, the recycling of most useful metals is all recycled using floatation, and the object recycled is the sulphur of these metals nothing but
Compound and oxide, substantially seldom using silicate mineral as recycle object, and most of non-ferrous metals and transition metal
Recycling be all its metal oxide or sulfide and silicate mineral separation.
At present, there are dry electrostatic separation and dielectric separation using the method that the difference of dielectric constant carries out ore dressing.Dry electrostatic separation needs
It will be sorted after mineral all drying, however, only having in the milling method that almost nature mineral monomer can at present dissociated
Wet grinding does not generate dust, and is detached again using dry electrostatic separation after the material of wet grinding is all dried,
And its principal element with high costs can be become by drying expense.
In addition, in the dielectric separation of most metals mineral, it is desirable that the dielectric constant of dielectric liquid between metalliferous mineral with
Between silicate mineral to be separated, therefore the sorting of metalliferous mineral and gangue mineral can only be by the use of organic oil, alcohols as dielectric
Liquid, and many toxic and use costs of these dielectric liquids are high, this so that the application that dielectric is selected receives very big limitation,
So that dielectric choosing can only be used as detaching in the Within Monominerals of laboratory or cannot could be used with the uncommon noble metal that other methods sort
Dielectric choosing is detached.
Invention content
The object of the present invention is to provide a kind of spiral chute structure, which mutually ties dielectric field with gravitational field
It closes, having broken the choosing of prior art dielectric can only be by the use of organic dielectric liquid as the bottleneck of separating medium, using water as dielectric liquid
The efficiency of separation of gravity treatment can just be greatly improved, allow originally can only as roughing separation equipment spiral chute as picking equipment
Carry out sorting mineral.
To achieve these goals, the present invention provides a kind of spiral chute structure, and the spiral chute structure is included for ore deposit
The spiral chute section of flowing is starched, the spiral chute structure further includes positive electrode and negative electrode, wherein, the negative electrode is embedded in
Under the spiral chute face of the spiral chute section, the positive electrode be located above the spiral chute face and with the spiral chute
Face keeps interval, and dielectric field can be formed between the positive electrode and the negative electrode.
Through the above technical solutions, spiral chute section itself can utilize ore pulp its own gravity formed spiral decline into
Row sorting, meanwhile, negative electrode is embedded under spiral chute face, and positive electrode is provided with above spiral chute face, in this way, positive electricity
Pole and negative electrode connect voltage and the voltage of positive electrode is more than the voltage of negative electrode or negative electrode ground connection, and positive electrode connects height
Negative electrode will be negatively charged during positive pressure pole, so as to form dielectric field between positive electrode and negative electrode, to form dielectric field and gravity
The sorting field that field is combined, and by particle institute's stress and electric field when the dielectric constant when mineral is more than the dielectric constant of dielectric liquid
The increased direction of gradient is consistent, when mineral dielectric constant be less than dielectric liquid dielectric constant when Impact direction for gradient reduce
Direction, so as to which negative electrode is directed toward in the increased direction of electric-force gradient between positive electrode and negative electrode for positive electrode, in this way, in spiral shell
It revolves in chute ore dressing, the larger mineral of proportion are typically also the larger mineral of dielectric constant, it is intended to flow to slips close to spiral
At the spiral center of slot, the small mineral of proportion are also the smaller silicate mineral of dielectric constant, it is intended to flow to spiral chute
Outer rim, and heavy mineral tend to be distributed in spiral chute face in assorting room, and the small mineral of proportion are then distributed in
Above spiral chute face, the cutting that heavy mineral are easier on spiral chute face is flowed at spiral center, upper
It can make gangue mineral under the action of the dielectric field stated by upward dielectric power, and valuable mineral is by downward dielectric power,
Dielectric power enhances the layering of two kinds of mineral of weight in this way, and gangue mineral is made to be easier to be rushed at the outer rim of spiral chute by water, from
And the efficiency of separation of weight mineral can be greatly improved under the double action in gravitational field and the dielectric field of force, so as to which the spiral is slipped
Slot structure has broken the choosing of prior art dielectric can only be by the use of organic dielectric liquid as the bottleneck of separating medium, so as to use water conduct
Dielectric liquid can just greatly improve the efficiency of separation of gravity treatment, and alloing originally can only be as the spiral chute of roughing separation equipment as essence
Optional equipment, which carries out sorting mineral, allows that mineral point can only be carried out as picking equipment as the spiral chute of roughing separation equipment originally
Choosing.
Further, the positive electrode and the negative electrode are in the extension in the radial direction in the spiral chute face.
Further, the shape of the positive electrode is identical with the spiral chute face.
Further, the positive electrode and the spiral chute section form the ore pulp channel that circumferential direction is closed.
Further, the positive electrode is formed as curved surface electrode plate.
Further, the negative electricity is extremely multiple extends spirally the spaced apart electrode in direction along the spiral chute face
Silk.
Further, the groove radially extended is formed on the spiral chute face, the negative electrode is arranged in described recessed
It is buried in slot and by filling the insulating layer of the groove.
Further, the negative electrode is configured to be grounded.
In addition, the present invention also provides a kind of spiral chute, the spiral chute includes above-described spiral chute structure.
In addition, the present invention also provides a kind of spiral chute preparation equipment, which includes stent, described
Stent is provided with concentrate pipe, and a plurality of above-described spiral chute winds the concentrate pipe and is configured so that the concentrate pipe from more
The spiral center of spiral chute described in item passes through, and the concentrate pipe is communicated with a plurality of spiral chute, to receive ore pulp
The concentrate sub-elected along the spiral chute flow process.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention, but be not construed as limiting the invention together.In the accompanying drawings：
Fig. 1 is the overlooking the structure diagram for the spiral chute structure that the specific embodiment of the invention provides；
Fig. 2 is the schematic cross-sectional view of the radial direction for the spiral chute structure that the specific embodiment of the invention provides,
Wherein, additional concentrate pipe is shown；
Fig. 3 is the structure diagram for the spiral chute preparation equipment that the specific embodiment of the invention provides.
Reference sign
1- spiral chute structures, 2- spiral chute sections, 3- positive electrodes, 4- negative electrodes, 5- spiral chutes face, 6- spirals are slipped
Slot, 7- stents, 8- concentrate pipes, mining area in 9-, 10- tailings area, 11- concentrate area, 12- channels, 13- ore pulps, 14- feeding ends, 15-
The tailing port of export, the 16- chats ports of export.
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As illustrated in fig. 1 and 2, spiral chute structure 1 of the invention includes spiral chute section 2, positive electrode 3 and negative electrode 4, spiral shell
Rotation chute section 2 is used to flow to be sorted for ore pulp, wherein, negative electrode 4 is embedded in the spiral chute face 5 of spiral chute section 2
Under, positive electrode 3 is located at 5 top of spiral chute face and keeps being spaced to form ore pulp channel, 3 He of positive electrode with spiral chute face 5
Dielectric field can be formed between negative electrode 4.
By the technical solution, spiral chute section 2 itself can utilize ore pulp its own gravity formed spiral decline into
The a degree of sorting of row, meanwhile, negative electrode 4 is embedded under spiral chute face 5, and the top in spiral chute face 5 is provided with just
Electrode 3, in this way, the voltage that positive electrode 3 and negative electrode 4 connect voltage and positive electrode 3 is more than the voltage or negative electricity of negative electrode 4
Pole 4 is grounded, and negative electrode 4 will be negatively charged when positive electrode 3 connects high-voltage positive electrode, is situated between so as to be formed between positive electrode 3 and negative electrode 4
Electric field with the sorting field for forming dielectric field and gravitational field is combined, and is more than Jie of dielectric liquid due to working as the dielectric constant of mineral
Particle institute's stress is consistent with the increased direction of electric-force gradient during electric constant, when the dielectric that the dielectric constant of mineral is less than dielectric liquid is normal
Impact direction is the direction that gradient reduces during number, so as to which the increased direction of electric-force gradient between positive electrode 3 and negative electrode 4 is
Positive electrode 3 is directed toward negative electrode 4, in this way, in spiral chute ore dressing, the larger metalliferous mineral of proportion be typically also dielectric constant compared with
Big mineral, the cutting that it is intended on spiral chute face are flowed at spiral center, and the small gangue mineral of proportion is also to be situated between
The smaller silicate mineral of electric constant, it is intended to flow to the outer rim of spiral chute, and the heavy metal in assorting room
Mineral tend to be distributed in spiral chute face, and the small gangue mineral of proportion is then distributed in above spiral chute face, above-mentioned
Under the action of dielectric field, since dielectric power suffered by metalliferous mineral and heavy mineral is downwards close to negative electrode, and gangue ore deposit
Dielectric power is upwardly away from negative electrode suffered by object, this causes gangue mineral to be easier to receive the effect of flow on upper strata and rush at spiral
The outer rim of groove face, it is, gangue mineral can be made by upward dielectric power, and useful metal mineral are by downward dielectric
Power, such dielectric power just enhance the layering of two kinds of mineral of weight, and gangue mineral is made to be easier to rush at the outer of spiral chute by water
Edge, so as under the double action in gravitational field and the dielectric field of force, the ore pulp of flowing will form shown in Fig. 2 on spiral chute face
Concentrate area 11, middle mining area 9 and tailing area 10, so as to greatly improve the efficiency of separation of weight mineral, therefore, of the invention should
Spiral chute structure has broken the choosing of prior art dielectric can only be by the use of organic dielectric liquid as the bottleneck of separating medium, so as to use
Water can just greatly improve the efficiency of separation of gravity treatment as dielectric liquid, and making originally can only can be with as the spiral chute of roughing separation equipment
Carrying out sorting mineral as picking equipment allows to carry out as picking equipment as the spiral chute of roughing separation equipment originally
Sorting mineral.
Further, as illustrated in fig. 1 and 2, positive electrode 3 and negative electrode 4 spiral chute face 5 extension in the radial direction,
It is, as shown in Figure 1, negative electrode 4 can extend close to spiral center from the position at the edge in spiral chute face 5
Position at, to have basically formed dielectric field in the radial direction in the entire of spiral chute face 5, so that the sorting of mineral is more equal
It is even.
In view of spiral chute face 5 for the shape of ore pulp flowing, further, the shape configuration of positive electrode 3 is slips with spiral
The shape of groove face 5 is identical, it is, positive electrode 3 is configurable to be extended spirally along spiral chute face, to be slipped in spiral
The hand of spiral extension of groove face 5 improves the uniformity of dielectric field.In addition, in the spiral chute structure of the present invention, due to positive electrode
Interval is kept between 3 and spiral chute face 5 to form ore pulp channel, due in the case where two pole tensions are certain, if positive electricity
Pole 3 is nearer apart from negative electrode 4, then the spear of the dielectric field generated is higher, dielectric field play the role of it is also bigger, therefore, just
Electrode 3 can be set, but must assure that ore pulp can flow in ore pulp channel close to negative electrode 4, so as to not influence ore pulp
Under the premise of flowing, positive electrode 3 can form the ore pulp channel that circumferential direction is closed with spiral chute section 2, it is, positive electrode
3 are configurable to the upper cover body of spiral chute section 2.
For example, in a kind of specific structure, positive electrode 3 is formed as curved surface electrode plate, the shape of the curved surface electrode plate with
Spiral chute face 5 is identical, and the curved surface electrode plate forms the ore pulp channel being closed with spiral chute section 2.
Further, under the premise of curved surface electrode Board position determines, voltage is lower, and operation is safer, but is situated between during brownout
Electric field is weaker, and dielectric field role is also smaller, and dielectric power is larger when voltage is higher, effect of the dielectric field played in sorting
It is bigger, therefore should can pass through examination in the range of the permission of insulating layer voltage in the certain thickness insulating layer of curved surface electrode scrubbing brush
Voltage needed for testing between determining electrode.
In addition, further or selectively, negative electrode 4 can be multiple sides of extending spirally along spiral chute face 5
To spaced apart wire electrode.For example, in a kind of structure, the groove radially extended, negative electrode are formed on spiral chute face 5
4 such as wire electrodes are arranged in groove and are buried by filling the insulating layer of groove.In this application, the effect of wire electrode is
The electric field of high gradient is generated, since water has certain electric conductivity, there can only be electric field herein and there cannot be electric current to be flowed from positive electrode 3
Road negative electrode 4, thus metal electrode silk outside have insulating layer prevent electric current pass through, wire electrode chute bottom surface arrangement due to being in seemingly
Radial, density can arrange wire electrode more according to the cuttings more as possible of the difficulty or ease of groove face cutting as possible, and wire electrode is arranged more
Dielectric field role is bigger, and in addition the thickness of wire electrode can carry out gradient matching according to the granularity of selected material.
In this way, for example, in a kind of specific structure, the distance of electrode curved slab to spiral chute face 5 can be 6cm-
10cm, electrode voltage can be that 2000-50000 is lied prostrate.
In addition, negative electrode 4 is configured to be grounded.As described above, be formed on spiral chute face 5 radially extend it is recessed
Slot, such as wire electrode of negative electrode 4 are arranged in groove and are buried by filling the insulating layer of groove, wire electrode embedment cutting
In, since dielectric power suffered by metalliferous mineral and heavy mineral is downwards close to wire electrode, and dielectric power suffered by gangue mineral
Wire electrode is upwardly away from, this causes gangue mineral to be easier to receive the effect of flow on upper strata and rush at the outer rim of spiral groove face；
Therefore, in a kind of preferred embodiment, wire electrode embedment groove should be shallow as best one can, to reach enough dielectric power sphere of actions, but
The more shallow wire electrode again the easy to be exposed and contacts and leaks electricity with water, therefore such as wire electrode of negative electrode 4 should be grounded, on groove face
The curved surface electrode plate of identical curved surface is covered, this curved surface is covered completely by insulation sides, and electric curved surface electrode plate connects anode, due to
The abrasion of curved surface electrode plate collecting ore particle not cracky and leak electricity, therefore when wire electrode is grounded, curved surface electrode plate connects high-voltage positive electrode
When wire electrode it is negatively charged, the increased direction of electric-force gradient for curved surface electrode plate be directed toward wire electrode.
Although being grounded wire electrode in electrode arrangement, even if electric leakage will not cause security risk, therefore in order to be shape
The gradient enough into wire electrode, and influence to use after being unlikely to abrasion, in wire electrode dielectric substance material is used close to the top of groove
Material is made, and periodically insulating layer should be painted according to the period of abrasion in groove, that is, ensures to fill the insulating layer of groove
Completely, so as to formed electric field without formed electric current.
In addition, as shown in the spiral chute 6 in Fig. 3, the present invention also provides a kind of spiral chute 6, wherein, the spiral chute
6 include above-described spiral chute structure 1, for example, in the entire helix length of the spiral chute 6, are all disposed with positive electricity
Pole 3 and negative electrode 4 specifically, have similar spoke in the spiral chute face 5 of spiral chute 6 along direction arranged for interval is extended spirally
The wire electrode of shape is penetrated, and curved surface electrode plate is then covered on direction is extended spirally on spiral chute face 5.
In this way, the spiral chute 6 can utilize gravity and dielectric power, water and gangue are made full use of using water as dielectric liquid
Dielectric field is combined by the difference in dielectric constant of mineral with gravitational field, improves sorting mineral efficiency to the maximum extent.
In addition, as shown in Figures 2 and 3, the present invention also provides a kind of spiral chute preparation equipment, the spiral chute preparation equipments
Including stent 7, stent 7 is provided with concentrate pipe 8, a plurality of spiral chute 6 by be similar to wind in the form of fried dough twist concentrate pipe 8 set with
So that the spiral center of concentrate pipe 8 from a plurality of spiral chute 6 passes through, and concentrate pipe 8 for example passes through channel 12 and a plurality of spiral
Chute 6 communicates, to receive the concentrate that ore pulp is sub-elected along 6 flow process of spiral chute.
In this way, ore pulp 13 to be sorted respectively enters a plurality of spiral chute 6 from feeding end 14, as described above, in gravity and
Under the double action of dielectric power, as shown in Fig. 2, under the action of water, useful metalliferous mineral will flow to concentrate area 11 in
The part in mining area 9, and the tailings such as gangue then flow to tailing area 10, finally, concentrate is punished gather from concentrate pipe 8 and is gone out, and in
Ore deposit is then discharged from the chats port of export 16, and tailing is then discharged from the tailing port of export 15, is finally realized and is come more using water as dielectric liquid
Expeditiously sorting mined material allows that mineral point can only be carried out as picking equipment as the spiral chute of roughing separation equipment originally
Choosing.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (8)
1. a kind of spiral chute structure, the spiral chute structure (1) includes the spiral chute section (2) for ore pulp flowing, special
Sign is that the spiral chute structure (1) further includes positive electrode (3) and negative electrode (4), wherein, the negative electrode (4) is embedded in
Under the spiral chute face (5) of the spiral chute section (2), the positive electrode (3) above the spiral chute face (5) and with
The spiral chute face (5) keeps interval, and dielectric field can be formed between the positive electrode (3) and the negative electrode (4)；
Wherein, the positive electrode (3) is formed as curved surface electrode plate；The negative electrode (4) is multiple along the spiral chute face (5)
Extend spirally the spaced apart wire electrode in direction.
2. spiral chute structure according to claim 1, which is characterized in that the positive electrode (3) and the negative electrode (4)
In the extension in the radial direction of the spiral chute face (5).
3. spiral chute structure according to claim 1, which is characterized in that the shape of the positive electrode (3) and the spiral shell
It is identical to revolve chute face (5).
4. spiral chute structure according to claim 1, which is characterized in that the positive electrode (3) and the spiral chute
Section (2) forms the ore pulp channel that circumferential direction is closed.
5. spiral chute structure according to claim 1, which is characterized in that be formed with diameter on the spiral chute face (5)
To the groove of extension, the negative electrode (4) is arranged in the groove and is buried by filling the insulating layer of the groove.
6. spiral chute structure according to claim 1, which is characterized in that the negative electrode (4) is configured to be grounded.
7. a kind of spiral chute, which is characterized in that the spiral chute (6) is including according to any one institute in claim 1-6
The spiral chute structure (1) stated.
8. a kind of spiral chute preparation equipment, including stent (7), which is characterized in that the stent (7) is provided with concentrate pipe (8),
A plurality of spiral chute according to claim 7 (6) wind the concentrate pipe (8) be configured so that the concentrate pipe (8) from
The spiral center of a plurality of spiral chute (6) passes through, and the concentrate pipe (8) is communicated with a plurality of spiral chute (6),
To receive the concentrate that ore pulp is sub-elected along the spiral chute (6) flow process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510736265.2A CN105233967B (en) | 2015-11-03 | 2015-11-03 | Spiral chute structure, spiral chute and spiral chute preparation equipment |
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| CN201510736265.2A CN105233967B (en) | 2015-11-03 | 2015-11-03 | Spiral chute structure, spiral chute and spiral chute preparation equipment |
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| CN105233967A CN105233967A (en) | 2016-01-13 |
| CN105233967B true CN105233967B (en) | 2018-06-12 |
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| CN113751184B (en) * | 2021-05-25 | 2023-03-28 | 中国地质科学院郑州矿产综合利用研究所 | Method for recovering glass beads and carbon powder from gasified black water fine slag |
| CN116237153B (en) * | 2023-05-11 | 2023-08-15 | 四川南充华景智农农业装备制造有限公司 | Multi-dimensional joint sorting system for peppers |
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|---|---|---|---|---|
| CN2049557U (en) * | 1989-03-27 | 1989-12-20 | 韩鹏 | High efficiency screw chute |
| CN201070598Y (en) * | 2006-11-29 | 2008-06-11 | 李春鸥 | Combined spiral mineral dressing plastics sliding chute |
| CN101229528A (en) * | 2008-01-03 | 2008-07-30 | 赵平 | Magnetoelectricity sorting method and equipment of multiple element mineral |
| CN102198423A (en) * | 2011-03-08 | 2011-09-28 | 卞直旭 | Gravitational separation method with composite field forces |
-
2015
- 2015-11-03 CN CN201510736265.2A patent/CN105233967B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049557U (en) * | 1989-03-27 | 1989-12-20 | 韩鹏 | High efficiency screw chute |
| CN201070598Y (en) * | 2006-11-29 | 2008-06-11 | 李春鸥 | Combined spiral mineral dressing plastics sliding chute |
| CN101229528A (en) * | 2008-01-03 | 2008-07-30 | 赵平 | Magnetoelectricity sorting method and equipment of multiple element mineral |
| CN102198423A (en) * | 2011-03-08 | 2011-09-28 | 卞直旭 | Gravitational separation method with composite field forces |
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