CN104401764A - Material conveying system and beneficiation production line - Google Patents
Material conveying system and beneficiation production line Download PDFInfo
- Publication number
- CN104401764A CN104401764A CN201410649642.4A CN201410649642A CN104401764A CN 104401764 A CN104401764 A CN 104401764A CN 201410649642 A CN201410649642 A CN 201410649642A CN 104401764 A CN104401764 A CN 104401764A
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- Prior art keywords
- velocity regulator
- air outlet
- transporting system
- collection container
- powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a material conveying system and a beneficiation production line. The material conveying system comprises a material transfer device (1) and a stock bin (2) located under a dumping part of the material transfer device (1). The material conveying system also comprises a powder selecting and collecting device, wherein the powder selecting and collecting device is arranged between the dumping part and the stock bin (2), and is used for selecting and collecting powders in materials when the materials falls into the stock bin (2) from the dumping part. The beneficiation production line comprises the material conveying system. In the material conveying system, the powder selecting and collecting device is arranged, and is used for selecting and collecting the powders in the materials when the materials falls into the stock bin, so that the problems of environment pollution and resource waste caused by powder blowing in the wind are effectively solved.
Description
Technical field
The present invention relates to ore dressing field, particularly, relate to a kind of material-transporting system and a kind of mineral processing production line.
Background technology
At present, a lot of mineral processing production line all adopts sectional type, namely fragmentation is divided into, ball milling, the operation that multiple multistage such as magnetic separation is arranged, the efficiency of each operation can be played so to greatest extent, avoid influencing each other and restricting of inter process, wherein, linking between each operation is realized by material-transporting system, particularly, a product upper operation obtained by material transfer device is transported and is accumulated to feed bin, the problem brought in the process is, raw ore is in explosion, adopt dress, a large amount of powder (or dust) can be formed after transport and shattering process, these powders are drop in feed bin from the discharge of material transfer device being stacked in through material transfer device in the process in feed bin, in dropping process, powder flies away with the wind, contaminated environment causes the wasting of resources simultaneously.
Summary of the invention
The object of this invention is to provide a kind of material-transporting system of powder and there is the mineral processing production line of this material-transporting system can effectively collected.
To achieve these goals, the invention provides a kind of material-transporting system, this material-transporting system comprises material transfer device and is positioned at the feed bin below the discharge place of described material transfer device, and, this material-transporting system also comprises powder selection device, this powder selection device is arranged between described discharge place and described feed bin, to fall to sorting in the process in described feed bin at material from described discharge and to collect the powder in described material.
Preferably, described powder selection device comprises blower fan and collection container, described blower fan and described collection container lay respectively at the both sides from the path that described discharge falls in described feed bin of described material, and the air outlet of the entrance of described collection container and described blower fan toward each other, and the entrance of described collection container is provided with screen cloth.
Preferably, the entrance of described collection container and the air outlet of described blower fan are in sustained height position.
Preferably, in described blower fan, be provided with velocity regulator, be greater than the wind speed of the middle section of described air outlet to be made the wind speed of the fringe region of described air outlet by this velocity regulator.
Preferably, described blower fan comprises air-out passage, and described air outlet is the external port of described air-out passage, described velocity regulator is arranged in described air-out passage, the length direction of described velocity regulator is along the bearing of trend of described air-out passage, thus make the two ends of this velocity regulator length of the restriction of described velocity regulator be set to the outer end towards described air outlet and the inner away from this air outlet respectively, the outer end of described velocity regulator is along the contiguous described air outlet or concordant with described air outlet of described length direction, the sidewall of described velocity regulator is at least formed as the taper of shrinking towards the central area of described the inner in the part near described velocity regulator the inner, and between the sidewall of the sidewall of described velocity regulator and described air-out passage, there is interval.
Preferably, the both sides sidewall of the width dimensions of this velocity regulator of restriction of described velocity regulator is at least formed as along shrinking gradually from described outer end to the direction of described the inner towards the central authorities of the Width of described velocity regulator in the part near described velocity regulator the inner, and between the both sides sidewall of the described width of the restriction of described velocity regulator and the sidewall of described air-out passage, there is interval, be greater than the wind speed of the middle section of described air outlet with the wind speed in the region, both sides of the edge being made the broad ways of described air outlet by this velocity regulator.
Preferably, described screen cloth is detouchable.
Preferably, described collection container comprises collection container body and is positioned at the L shape feeding pipe above this collection container body, the top of described collection container body has opening, and one end of described L shape feeding pipe is provided with described screen cloth, and the other end is connected to described opening.
Preferably, the entrance of described collection container is also provided with for the cleaning brush of clean described screen cloth with for providing the wind motor of power to described cleaning brush.
The invention still further relates to a kind of mineral processing production line, this mineral processing production line comprises according to material-transporting system of the present invention.
Preferably, this mineral processing production line comprises fragmentation cell, ball milling unit and magnetic separating unit successively, described material-transporting system is between described fragmentation cell and described ball milling unit, the pan feeding place of described material transfer device is connected to described fragmentation cell, described feed bin is connected to described ball milling unit, and is connected to described magnetic separating unit by the discharging opening of described powder selection device.
In material-transporting system of the present invention, be provided with powder selection device, this powder selection device is used for falling in the process of feed bin at material being selected by the powder in material and collecting, and effectively avoids powder to fly away with the wind and pollutes the problem of environment and resources waste.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation according to material-transporting system of the present invention;
Fig. 2 is the end view of the L shape feeding pipe in Fig. 1;
Fig. 3 is the view of the air outlet each several part wind speed relation of the blower fan shown in Fig. 1.
Description of reference numerals
1 material transfer device 2 feed bin
3 blower fan 4 collection containers
5 screen cloth 6 velocity regulator
7 air-out passage 8 collection container bodies
9 L shape feeding pipe 10 wind motors
V
0, V
1the speed of air-flow
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality such as " upper and lower " of use normally defines under normal usage at material-transporting system provided by the invention and mineral processing production line, and also consistent with reference to direction shown in accompanying drawing; " inside and outside " refers to profile inside and outside relative to each parts itself.
The invention provides a kind of material-transporting system, this material-transporting system comprises material transfer device 1 and is positioned at the feed bin 2 below the discharge place of described material transfer device 1, and, this material-transporting system also comprises powder selection device, this powder selection device is arranged between described discharge place and described feed bin 2, to fall to sorting in the process in described feed bin 2 from described discharge at material and the powder collected in described material.
In material-transporting system of the present invention, owing to being provided with powder selection device, in the process that this powder selection device can fall in feed bin 2 at material, the powder (dust) in material is selected and is collected, thus effectively prevent the powder in material from flying away with the wind and pollute environment and resources waste problem.
Wherein, described material transfer device 1 can be that band conveyor etc. can the equipment of transported material, when described material transfer device 1 is band conveyor, described discharge place is the discharge end of band conveyor, this discharge end can be arranged in directly over feed bin 2 entrance, thus material is transported to described discharge end place, then free fall is in feed bin 2.
And, as a kind of embodiment, described powder selection device can comprise blower fan 3 and collection container 4, described blower fan 3 and described collection container 4 lay respectively at the both sides from the path that described discharge falls in described feed bin 2 of described material, and the entrance of described collection container 4 and the air outlet of described blower fan 3 are toward each other, and the entrance of described collection container 4 is provided with screen cloth 5.In this case, at least at described material from certain in the path that described discharge falls in described feed bin 2, blower fan 3 is towards material blow flow (blowing), and the size that can arrange the air-flow blowed is to make the powder in material move but all the other large granular materials in material except powder can not be caused to move, the air-flow of the air outlet blowout of blower fan 3 blows towards screen cloth 5, powder in material migrates to screen cloth 5 place with air-flow, the powder particles that granularity is less than the sieve opening size of screen cloth 5 after screen cloth 5 filters just finally is collected in collection container 4 by screen cloth 5, the material particles that granularity is greater than the sieve opening size of screen cloth 5 is then attached on screen cloth 5 or falls in feed bin 2, like this, just selected by powder selection device and collect the powder that granularity is less than certain size, prevent these short grained powders from dispersing with the wind in follow-up dropping process and causing dust pollution and the wasting of resources.
Preferably, the discharge place that described powder selection device can be positioned as close to described material transfer device 1 is arranged, namely the position of described powder selection device is higher, to fall to just selecting powder in the near future and collect at material, reduces flying away of powder as far as possible.
Further, in the powder selection device of present embodiment, preferably, the entrance of described collection container 4 and the air outlet of described blower fan 3 are in sustained height position, and namely blower fan 3 is in the horizontal direction towards the entrance blow flow of collection container 4.
In addition, under preferable case, in described blower fan 3, be provided with velocity regulator 6, to make the wind speed of the fringe region of described air outlet be greater than the wind speed of the middle section of described air outlet by this velocity regulator 6.Like this, the fringe region be equivalent to along described air outlet forms brattice, powder migration from the wind animal material that the middle section of described air outlet blows out, and the wind that the wind speed blown out from the fringe region of described air outlet is larger, to form brattice, prevent the powder in extraneous interference in air flow material from blowing along set direction (from described air outlet to the direction of described screen cloth 4), and fall behind just by the region corresponding with the middle section of described air outlet under in this case, the discharge place of material transfer device 1 being arranged so that material.
It will be appreciated by persons skilled in the art that described velocity regulator 6 can be set to the form be applicable to arbitrarily, such as, in present embodiment, described blower fan 3 comprises air-out passage 7, and described air outlet is the external port of described air-out passage 7, described velocity regulator 6 is arranged in described air-out passage 7, the length direction of described velocity regulator 6 is along the bearing of trend of described air-out passage 7, thus make the two ends of this velocity regulator 6 length of the restriction of described velocity regulator 6 be set to the outer end towards described air outlet and the inner away from this air outlet respectively, the outer end of described velocity regulator 6 is along the contiguous described air outlet or concordant with described air outlet of described length direction, the sidewall of described velocity regulator 6 is at least formed as the taper of shrinking towards the central area of described the inner in the part near described velocity regulator 6 the inner, and between the sidewall of described velocity regulator 6 and the sidewall of described air-out passage 7, there is interval.Sidewall due to described velocity regulator 6 is at least formed as the taper of shrinking towards the central area of described the inner in the part near described velocity regulator 6 the inner, thus when air-flow passes through the interval between the sidewall of described velocity regulator 6 and the sidewall of described air-out passage 7, the area of (length direction perpendicular to the described velocity regulator 6) cross-sectional plane at this interval at least reduces gradually in one section, thus making in described interval, the speed of the air-flow blowed outside blower fan 3 increases; Accordingly, when air-flow passes through the middle section of described velocity regulator 6, the area of (length direction perpendicular to described velocity regulator 6) cross-sectional plane of this middle section at least increases gradually in one section, thus making in described middle section, the speed of the air-flow blowed outside blower fan 3 reduces; Thus the wind speed that can obtain the fringe region of described air outlet by this velocity regulator 6 is greater than the effect of the wind speed of the middle section of described air outlet.
Further particularly, in present embodiment, the both sides sidewall of the width dimensions of this velocity regulator 6 of restriction of described velocity regulator 6 is at least formed as along shrinking gradually from described outer end to the direction of described the inner towards the central authorities of the Width of described velocity regulator 6 in the part near described velocity regulator 6 the inner, and between the both sides sidewall of the described width of restriction of described velocity regulator 6 and the sidewall of described air-out passage 7, there is interval, to make the broad ways of described air outlet (in the embodiment in Fig. 1 by this velocity regulator 6, described Width is the left and right directions when air outlet) wind speed in region, both sides of the edge is greater than the wind speed of the middle section of described air outlet, and, described velocity regulator 6 is formed as box-shaped.
See Fig. 3, preferably, the top of the sidewall of described velocity regulator 6 extends to and is connected with the roof of described air-out passage 7, like this, at the top of described air outlet, from speed (wind speed) V of the air-flow of the blowout of described air outlet
0with the speed V of the air-flow of described middle section
0identical, thus when the material more containing powder has just dropped to the region corresponding with described blower fan mouth, the speed of air-flow is unlikely to excessive and powder particles that is that dispel in material; In addition, the conveniently installation of velocity regulator 6 in air-out passage 7, two supporting legs (being template in present embodiment) also can be set below the base plate of velocity regulator 6, and see Fig. 1, in present embodiment, the base plate of velocity regulator 6 is horizontal-extending, and thus below the base plate of velocity regulator 6, the speed of air-flow is also identical with the speed of the air-flow in described middle section, is V
0, and have between the both sides sidewall of the Width of described velocity regulator 6 and the sidewall of described air-out passage 7 air-flow in interval with being V
1, and V
1> V
0, thus form brattice in the both sides of the broad ways of air-out passage 7, prevent external air flow from disturbing the powder in material along blowing from described air outlet to the direction of described screen cloth 4.In addition, preferably, the L shape feeding pipe 9 that described collection container 4 comprises collection container body 8 and is positioned at above this collection container body 8, the top of described collection container body 8 has opening, one end of described L shape feeding pipe 9 is provided with described screen cloth 5, the other end (extending vertically downward again after horizontal-extending one segment distance) is connected to described opening, in this case, powder can automatically pass downwardly through described opening after touching the bending place of L shape delivery duct 9 with air-flow after the horizontal-extending section of L shape delivery duct 9 and fall into described feed bin 2, thus be conducive to powder to collect in feed bin 2.
Further, in present embodiment, preferably, described screen cloth 5 is detouchable.
Preferably, the entrance of described collection container 4 is also provided with for the cleaning brush of clean described screen cloth 5 with for providing the wind motor 10 of power to described cleaning brush, the impeller of aerogenerator 10 has been shown in Fig. 2, like this, the air-flow produced by blower fan 3 blow powder by screen cloth 5 while also blow the impeller of aerogenerator 10, acquisition wind energy transformation can be electric energy by aerogenerator 10, drive described cleaning brush to clean screen cloth 5, on screen cloth 5, the material particles of attachment brushes.
Present invention also offers a kind of mineral processing production line, this mineral processing production line comprises according to material-transporting system of the present invention.
Particularly, as a kind of embodiment, this mineral processing production line comprises fragmentation cell, ball milling unit and magnetic separating unit successively, described material-transporting system is between described fragmentation cell and described ball milling unit, the pan feeding place of described material transfer device 1 is connected to described fragmentation cell, described feed bin 2 is connected to described ball milling unit, and is connected to described magnetic separating unit by the discharging opening of described powder selection device.
Fragmentation cell carries out break process to ore, and the ore then through fragmentation obtains the less material of particle further across the ball milling of ball milling unit, enters in magnetic separating unit again and carry out magnetic separation after the granularity of material meets the requirements.Ore operations such as (and in) explosions before destruction step in fragmentation cell can produce a part of powder, in the mineral processing production line of present embodiment, when the ore particles after fragmentation is transported to the process of ball milling unit through described material-transporting system from fragmentation cell, in ore particles after fragmentation contained (particle meet magnetic separating unit requirement and without the need to the further ball-milling treatment again through ball milling unit) powder is selected and collects by the powder selection device in described material-transporting system, then be delivered directly in described magnetic separating unit, the ore particles that remaining particle is larger then continues to fall into feed bin 2, be transported to again in described ball milling unit and proceed ball-milling treatment.Like this; at the ore manufacturing line of present embodiment; powder can not only be effectively reduced in dropping process, fly away caused environmental pollution and the wasting of resources; the powder that granularity can also be met the requirement of ball milling unit is directly collected and is transported in magnetic separating unit; the powder that granularity meets the requirement of ball milling unit is not only without the need to being beneficial to the ball milling operation of ball milling unit through ball-milling treatment again; thus, the energy consumption that present embodiment had both been conducive to reducing ball milling unit also helps protection ball milling unit.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (11)
1. a material-transporting system, this material-transporting system comprises material transfer device (1) and is positioned at the feed bin (2) below the discharge place of described material transfer device (1), it is characterized in that, this material-transporting system also comprises powder selection device, this powder selection device is arranged between described discharge place and described feed bin (2), to fall to sorting in the process in described feed bin (2) from described discharge at material and the powder collected in described material.
2. material-transporting system according to claim 1, it is characterized in that, described powder selection device comprises blower fan (3) and collection container (4), described blower fan (3) and described collection container (4) lay respectively at described material from described discharge to described feed bin (2) in the both sides in path that fall, and the air outlet of the entrance of described collection container (4) and described blower fan (3) toward each other, and the entrance of described collection container (4) is provided with screen cloth (5).
3. material-transporting system according to claim 2, is characterized in that, the entrance of described collection container (4) and the air outlet of described blower fan (3) are in sustained height position.
4. material-transporting system according to claim 2, it is characterized in that, velocity regulator (6) is provided with, to make the wind speed of the fringe region of described air outlet be greater than the wind speed of the middle section of described air outlet by this velocity regulator (6) in described blower fan (3).
5. material-transporting system according to claim 4, is characterized in that, described blower fan (3) comprises air-out passage (7), and described air outlet is the external port of described air-out passage (7), described velocity regulator (6) is arranged in described air-out passage (7), the length direction of described velocity regulator (6) is along the bearing of trend of described air-out passage (7), thus make the two ends of this velocity regulator of restriction (6) length of described velocity regulator (6) be set to the outer end towards described air outlet and the inner away from this air outlet respectively, the outer end of described velocity regulator (6) is along the contiguous described air outlet or concordant with described air outlet of described length direction, the sidewall of described velocity regulator (6) is at least formed as the taper of shrinking towards the central area of described the inner in the part inner near described velocity regulator (6), and between the sidewall of the sidewall of described velocity regulator (6) and described air-out passage (7), there is interval.
6. material-transporting system according to claim 5, it is characterized in that, the both sides sidewall of the width dimensions of this velocity regulator of restriction (6) of described velocity regulator (6) is at least formed as along shrinking gradually towards the central authorities of the Width of described velocity regulator (6) from described outer end to the direction of described the inner in the part inner near described velocity regulator (6), and between the both sides sidewall of the described width of restriction of described velocity regulator (6) and the sidewall of described air-out passage (7), there is interval, to make the wind speed in the region, both sides of the edge of the broad ways of described air outlet be greater than the wind speed of the middle section of described air outlet by this velocity regulator (6).
7. material-transporting system according to claim 2, is characterized in that, described screen cloth (5) is detouchable.
8. material-transporting system according to claim 2, it is characterized in that, described collection container (4) comprises collection container body (8) and is positioned at the L shape feeding pipe (9) of this collection container body (8) top, the top of described collection container body (8) has opening, one end of described L shape feeding pipe (9) is provided with described screen cloth (5), and the other end is connected to described opening.
9. material-transporting system according to claim 2, it is characterized in that, the entrance of described collection container (4) is also provided with for the cleaning brush of clean described screen cloth (5) with for providing the wind motor (10) of power to described cleaning brush.
10. a mineral processing production line, is characterized in that, this mineral processing production line comprises according to the material-transporting system in claim 1-9 described in any one.
11. mineral processing production lines according to claim 10, it is characterized in that, this mineral processing production line comprises fragmentation cell, ball milling unit and magnetic separating unit successively, described material-transporting system is between described fragmentation cell and described ball milling unit, the pan feeding place of described material transfer device (1) is connected to described fragmentation cell, described feed bin (2) is connected to described ball milling unit, and is connected to described magnetic separating unit by the discharging opening of described powder selection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410649642.4A CN104401764B (en) | 2014-11-14 | 2014-11-14 | Material-transporting system and mineral processing production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410649642.4A CN104401764B (en) | 2014-11-14 | 2014-11-14 | Material-transporting system and mineral processing production line |
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| CN104401764A true CN104401764A (en) | 2015-03-11 |
| CN104401764B CN104401764B (en) | 2016-03-30 |
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| CN105645112A (en) * | 2016-01-27 | 2016-06-08 | 西安航天源动力工程有限公司 | Sodium bicarbonate gathering, transporting and jetting complete technology system |
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| Publication number | Publication date |
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| CN104401764B (en) | 2016-03-30 |
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