CN216605444U

CN216605444U - Mineral processing equipment and ore separation screening device thereof

Info

Publication number: CN216605444U
Application number: CN202122489944.8U
Authority: CN
Inventors: 贺国春; 张英寿; 原二林
Original assignee: Qinghai Yellow River Mining Co ltd; Huanghe Hydropower Development Co Ltd
Current assignee: Qinghai Yellow River Mining Co ltd; Huanghe Hydropower Development Co Ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-05-27
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses mineral processing equipment and a mineral separation screening device thereof, wherein the mineral separation screening device comprises a screen assembly and a collection assembly which are connected, the collection assembly comprises racks, a conveying roller, a conveying belt and a scraping plate which are rotatably arranged between the two racks, a first collection bin and a second collection bin; the conveying belt is simultaneously sleeved on the outer surface of each conveying roller and driven by the conveying rollers, and a magnetic layer capable of adsorbing magnetic ores covers the conveying belt; the scraper blade is located the conveyer belt below at interval, and the second is collected the storehouse and is located the conveyer belt output and just below in order to splendid attire nonmagnetic ore, and first is collected the storehouse and is located the scraper blade below in order to splendid attire from the magnetic ore that the scraper blade was scraped down. On the ore transmission conveyer belt of the fritter that screen assembly screened, adsorb magnetic ore on it through the magnet layer of cladding on the conveyer belt, there is not magnetic ore directly to be conveyed out by the conveyer belt, and magnetic ore is then scraped by the scraper blade of bottom, has realized screening when magnetic ore and non-magnetic ore, has improved ore dressing efficiency.

Description

Mineral processing equipment and ore separation screening device thereof

Technical Field

The utility model belongs to the technical field of ore separation and screening, and particularly relates to ore dressing equipment and an ore separation and screening device thereof.

Background

The development of the beneficiation equipment and the beneficiation process is synchronous, the process is dominant, and the equipment is the foundation. The birth of a novel mineral processing device often brings the revolution of mineral processing technology, and after the ore is mined out, a series of operations need to be carried out on the ore to obtain metal substances needed in the ore.

At present ore dressing in-process, need transport the ore broken in advance to the screening plant of ore dressing equipment inside, sieve according to the size of ore. However, because some ores are magnetic, the ores are usually sorted by a special manual magnet and then screened, and the screening method seriously affects the beneficiation efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the utility model provides mineral processing equipment and a mineral separation screening device thereof, solves the problem of low screening efficiency caused by magnetic ores in the prior art, can screen magnetic ores and non-magnetic ores simultaneously, and improves the mineral processing efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an ore separation screening device comprises a screen assembly for screening small-particle ores and a collecting assembly connected with an outlet end of the screen assembly, wherein the collecting assembly comprises two racks with inner side faces arranged oppositely, a conveying roller, a conveying belt and a scraping plate which are arranged between the two racks, a first collecting bin and a second collecting bin;

the conveying rollers are arranged at intervals along the length direction of the rack, two ends of each conveying roller are respectively and rotatably arranged on the rack on two sides, the conveying belts are simultaneously sleeved on the outer surfaces of the conveying rollers and driven by the conveying rollers, and the inner side or outer side surfaces of the conveying belts are covered with a magnetic layer capable of adsorbing magnetic ores;

the scraper blade is located the below of transfer roller and with the conveyer belt surface keeps predetermineeing the clearance, the second is collected the storehouse and is located under the conveyer belt output with splendid attire nonmagnetic ore, first collection storehouse is located the scraper blade below is followed with the splendid attire magnetism ore that the scraper blade was scraped.

In one embodiment, the bottom end of the scraper extends to be connected with the first collection bin.

As one embodiment, the screen assembly includes an outer frame and a screen, the outer frame includes a support plate at the bottom and a side plate for fixing the screen above the support plate, the outer frame is obliquely arranged to form an outlet end connected with the collecting assembly and an inlet end connected with the crushing assembly, and the inlet end of the outer frame is higher than the outlet end of the outer frame.

As one embodiment, the screen assembly further includes a splitter plate, one end of the splitter plate is fixed to one side of the outer frame, and a free end of the splitter plate extends obliquely toward both the opposite side of the outer frame and the outlet end of the outer frame and is spaced apart from the opposite side of the outer frame.

In one embodiment, the splitter plate is spaced apart from the screen.

In one embodiment, the plurality of flow distribution plates are alternately fixed to two opposite sides of the outer frame along the length direction of the outer frame.

In one embodiment, two adjacent splitter plates are at least partially overlapped in the width direction of the screen.

As one embodiment, the screen assembly further comprises a vibrating motor fixed at the bottom of the outer frame for driving the screen to vibrate reciprocally during operation.

In one embodiment, the bottom surface of at least one of the first collecting bin and the second collecting bin extends obliquely from the side of one of the racks to the side of the other rack, and the lower side opening is arranged for discharging mineral aggregates.

Another object of the present invention is to provide a mineral processing apparatus, comprising a crushing assembly and a mineral separation screening device as described above, wherein the inlet end of the screen assembly is connected with the outlet end of the crushing assembly.

By utilizing the ore separation and screening device, small ores screened by the screen assemblies can be transmitted to the conveying belt, magnetic ores are adsorbed on the conveying belt through the magnetic layers coated on the conveying belt, the ores without magnetism are directly conveyed out by the conveying belt, the magnetic ores are scraped by the scraper at the bottom, the simultaneous screening of the magnetic ores and the non-magnetic ores is realized, and the ore separation efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a mineral separation screening device for mineral processing equipment according to an embodiment of the utility model;

fig. 2 is a schematic structural view in cross section from the front of a mineral separation screening device for mineral processing equipment according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic top view of a mineral separation and screening device for mineral processing equipment according to an embodiment of the present invention.

In the drawings, the names of the components represented by the respective reference numerals are as follows:

1. a base plate; 2. a mounting seat; 3. a crushing box; 4. a crushing motor; 5. a crushing roller; 6. an outer frame; 7. screening a screen; 8. a support pillar; 9. a vibrating motor; 10. a flow distribution plate; 11. a frame; 12. a transfer motor; 13. a conveying roller; 14. a conveyor belt; 15. a squeegee; 16. a first collection bin; 17. a second collection bin; 100. a crushing assembly; 200. a screen assembly; 300. and (4) collecting the components.

Detailed Description

In the present invention, the terms "disposed", "provided" and "connected" are to be understood in a broad sense. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1, an embodiment of the present invention provides a mineral processing apparatus, which includes a crushing assembly 100 and a mineral separation and screening device, wherein the crushing assembly 100 is used for crushing large ores into small ores for facilitating screening, the mineral separation and screening device includes a screen assembly 200 for screening small ores and a collecting assembly 300 connected to an outlet end of the screen assembly 200, an inlet end of the screen assembly 200 is connected to an outlet end of the crushing assembly 100, after being processed by the screen assembly 200, larger ores remain on the screen assembly 200, and smaller ores flow from the outlet end of the screen assembly 200 to the collecting assembly 300 for further processing.

The crushing assembly 100, the screen assembly 200 and the collecting assembly 300 can be fixed on the bottom plate 1, and the bottom plate 1 serves as a fixing frame of the whole mineral processing equipment. The crushing assembly 100 further comprises a mounting seat 2, the mounting seat 2 is used for mounting a crushing box 3, the bottom of the mounting seat is fixedly connected to the top of the bottom plate 1, and the top of the mounting seat is fixedly connected to the bottom of the crushing box 3.

As shown in fig. 2 and 3, the collecting assembly 300 of the present embodiment includes two frames 11 with inner side surfaces facing each other, a plurality of conveying rollers 13, a conveying belt 14, a scraper 15, a first collecting bin 16, and a second collecting bin 17, which are disposed between the two frames 11. All the conveying rollers 13 are arranged at intervals along the length direction of the frame 11, two ends of each conveying roller 13 are respectively and rotatably arranged on the frame 11 at two sides, the conveying belt 14 is simultaneously sleeved on the outer surface of each conveying roller 13 and is driven by the conveying rollers 13, and the inner side or outer side surface of the conveying belt 14 is covered with a magnetic layer capable of adsorbing magnetic ores. The scraper 15 is arranged below the conveying roller 13 and keeps a preset gap with the outer surface of the conveyor belt 14, the second collection bin 17 is arranged right below the output end of the conveyor belt 14 to contain nonmagnetic ores, and the first collection bin 16 is arranged below the scraper 15 to contain magnetic ores scraped from the scraper 15. The conveying roller 13 is driven to rotate by a conveying motor 12.

The collecting unit 300 is used as a separating and collecting part of the magnetic ore and the non-magnetic ore, and the small ore particles screened out by the screen unit 200 fall onto the conveyor 14, are adsorbed on the conveyor 14, are transported toward the downstream outlet end, are turned over to the back side by the conveyor 14, are scraped by the scraper 15 below, and are collected by the first collecting bin 16. At the same time, the non-magnetic ore is transported directly along with the conveyor belt 14 to the downstream exit end and falls into the second collection bin 17. Therefore, the screening and the collection of the nonmagnetic ores and the magnetic ores are realized at one time, and the screening efficiency is improved.

For example, the magnet layer may be an alnico permanent magnet alloy, and the number of the transfer rollers 13 may be two or more than two.

In addition, the bottom end of the scraper 15 may extend to be connected to the first collecting chamber 16. The first collecting chamber 16 is disposed adjacent to the second collecting chamber 17, i.e. the first collecting chamber 16 is disposed adjacent to the second collecting chamber 17.

With reference to fig. 1, 2 and 4, the crushing assembly 100 of the present embodiment may include a crushing box 3, a crushing motor 4 and a crushing roller 5, wherein the crushing motor 4 is fixedly connected to a side surface of the crushing box 3, an output end of the crushing motor 4 penetrates through a side wall of the crushing box 3 to the inside of the crushing box 3, and is fixedly connected to one end of the crushing roller 5, and the other end of the crushing roller 5 is movably connected to an inner wall of the opposite side of the crushing box 3.

The screen assembly 200 of the present embodiment mainly comprises an outer frame 6 and a screen 7, wherein the outer frame 6 comprises a support plate at the bottom and a side plate above the support plate for fixing the screen 7, the outer frame 6 is obliquely arranged to form an outlet end connected with the collecting assembly 300 and an inlet end used for connecting with the crushing assembly 100, and the inlet end of the outer frame 6 is higher than the outlet end of the outer frame 6.

The discharge gate has been seted up to the bottom of 3 sides of broken case, and 6 one end of frame and discharge gate fixed connection, 3 inside being used for carrying out the breakage to the ore of broken case, are convenient for sieve the ore, and the ore drops into from the top feed inlet, and the discharge gate of ore from the below after smashing is carried to screening subassembly.

The screen assembly 200 further comprises a splitter plate 10, one end of the splitter plate 10 is fixed to one side of the outer frame 6, and the free end thereof extends obliquely towards the opposite side of the outer frame 6 and the outlet end of the outer frame 6, and is spaced from the opposite side of the outer frame 6.

That is, the diversion plate 10 is inclined toward the downstream side and extends into the middle of the screen assembly 200, and the ore transferred from the crushing assembly 100 is guided by the diversion plate 10 and transferred along a predetermined trajectory, so that the ore can be more uniformly distributed on the screen 7, and the staying path and time of the ore on the surface of the screen 7 are increased, so that the screening effect is better. As shown in figure 2, the diverter plate 10 is preferably spaced from the screen 7 so that smaller particles of ore can move freely as they move over the screen 7, the diverter plate 10 only limiting the size of the ore particles moving trajectory to a size greater than the spacing between the diverter plate 10 and the screen 7.

It is preferable that the plurality of flow distribution plates 10 are alternately fixed to opposite sides of the outer frame 6 in a longitudinal direction of the outer frame 6. More preferably, two adjacent flow distribution plates 10 are at least partially overlapped in the width direction of the screen 7. The screen assembly 200 may further include a vibrating motor 9, and the vibrating motor 9 is fixed to the bottom of the outer frame 6 for driving the screen 7 to vibrate reciprocally during operation. The ore particles can be guided to move along the longer path prescribed by each diverter plate 10 and the horizontal or vertical vibration of the vibrating motor 9 can exacerbate the amplitude of vibration of the ore particles within the screen 7 to optimize the screening effect. In the vibrating process of the vibrating motor 9, the splitter plate 10 can also prevent the ores from being piled up together to influence the screening effect.

The bottom of the frame 11 and the bottom of the outer frame 6 can be fixedly connected with the bottom plate 1, and the scraping plate 15 can also be fixedly connected with the bottom plate 1. The support column 8 that is used for supporting frame 6 can be set up to screening subassembly 200's frame 6 bottom, and support column 8 bottom fixed connection is at bottom plate 1 top, and support column 8 difference fixedly connected with motor 9 that vibrates of frame 6 width both sides, and the motor 9 working process that vibrates carries out vibratory screening to the ore on screen cloth 7 surface, directly sieves down the ore that the volume is less, follows the support plate slope of slope and rolls to the downstream side to get into conveyer belt 14.

In this embodiment, in order to facilitate the transfer of the screened ore particles, the bottom surface of at least one of the first collecting bin 16 and the second collecting bin 17 extends obliquely from the side of one of the racks 11 to the side of the other rack 11 (as viewed in fig. 1, the bottom surface is arranged perpendicular to the ore conveying direction), and the lower side opening is provided to discharge the ore material. The ore particles naturally roll to the lower part under the action of gravity.

Alternatively, the cross section of the first collecting bin 16 and the second collecting bin 17 can be V-shaped or U-shaped. In the present embodiment, the second collecting chamber 17 is shown to have a V-shaped cross section, and the first collecting chamber 16 is shown to have a U-shaped cross section.

When personnel use, at first drop into crushing case 3 with the ore, drive crushing roller 5 through crushing motor 4 and carry out the breakage to the ore, the ore after the breakage gets into in the screen cloth 7, the ore on screen cloth 7 surface is sieved through vibrating motor 9, surperficial flow distribution plate 10 can make ore evenly distributed on screen cloth 7 surface, the ore that the screening was accomplished drops to the support plate of screen cloth below and rolls to the surface of conveyer belt 14, drive conveyer belt 14 through conveying motor 12 and drive conveyer roller 13 and rotate, directly convey the second collection storehouse 17 in the outside with nonmagnetic ore through conveyer belt 14, adsorb the ore that has magnetism, and utilize the scraper blade 15 of bottom to scrape down, the ore that has magnetism then gets into first collection storehouse 16.

In conclusion, the ore separation and screening device can convey small ores screened by the screen assemblies onto the conveying belt, the magnetic ores are adsorbed onto the conveying belt through the magnetic layers coated on the conveying belt, the ores without magnetism are directly conveyed out by the conveying belt, the magnetic ores are scraped by the scraping plates at the bottom, the magnetic ores and the non-magnetic ores are simultaneously screened, and the ore separation efficiency is improved. Moreover, as the flow distribution plate is arranged on the screen, the ores can be uniformly distributed on the screen, and the retention time of the ores on the surface of the screen is increased, so that the screening effect is better.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims

1. The ore separation and screening device is characterized by comprising a screen assembly for screening small-particle ores and a collecting assembly connected with the outlet end of the screen assembly, wherein the collecting assembly comprises two racks (11) with inner side surfaces arranged just opposite to each other, a conveying roller (13), a conveying belt (14), a scraping plate (15) arranged between the two racks (11), a first collecting bin (16) and a second collecting bin (17);

the conveying rollers (13) are arranged at intervals along the length direction of the rack (11), two ends of each conveying roller (13) are respectively and rotatably arranged on the rack (11) on two sides, the conveying belt (14) is simultaneously sleeved on the outer surface of each conveying roller (13) and is driven by the conveying rollers (13), and the inner side or outer side surface of the conveying belt (14) is covered with a magnet layer capable of adsorbing magnetic ores;

scraper blade (15) are located the below of transfer roller (13) and with conveyer belt (14) surface keeps predetermineeing the clearance, second collection storehouse (17) are located with splendid attire nonmagnetic ore under conveyer belt (14) output, first collection storehouse (16) are located scraper blade (15) below is followed with the splendid attire magnetic ore that scraper blade (15) was scraped.

2. A mineral separation screening arrangement according to claim 1, characterized in that the bottom end of the scraper (15) extends to connect with the first collection bin (16).

3. The ore separation and screening device according to claim 1, wherein the screen assembly comprises an outer frame (6) and a screen (7), the outer frame (6) comprises a support plate at the bottom and a side plate above the support plate for fixing the screen (7), the outer frame (6) is obliquely arranged to form an outlet end connected with the collecting assembly and an inlet end connected with the crushing assembly, and the inlet end of the outer frame (6) is higher than the outlet end of the outer frame (6).

4. A mineral separation screening arrangement according to claim 3, wherein the screen assembly further includes a splitter plate (10), one end of the splitter plate (10) being fixed to one side of the outer frame (6), and its free end extending obliquely towards both the opposite side of the outer frame (6) and the outlet end of the outer frame (6) and being spaced from the opposite side of the outer frame (6).

5. A mineral separation screening arrangement according to claim 4, wherein the diverter plate (10) is spaced from the screen (7).

6. The ore separating and screening device according to claim 4, wherein the flow dividing plates (10) are a plurality and are alternately fixed on two opposite sides of the outer frame (6) along the length direction of the outer frame (6).

7. A mineral separation screening arrangement according to claim 6, wherein adjacent two of the diverter plates (10) are at least partially overlapping in the width direction of the screen (7).

8. A mineral separation screening arrangement according to claim 3, wherein the screen assembly further includes a vibrating motor (9), the vibrating motor (9) being secured to the base of the outer frame (6) for driving the screen (7) to oscillate reciprocally during operation.

9. A mineral separation and screening device according to any one of claims 1 to 8, wherein the bottom surface of at least one of the first collection bin (16) and the second collection bin (17) extends obliquely from the side of one of the racks (11) to the side of the other rack (11), and the lower side opening is arranged to discharge mineral aggregate.

10. Mineral processing equipment, characterized by comprising a crushing assembly and the mineral separation and screening device of any one of claims 1 to 9, wherein the inlet end of the screen assembly is connected with the outlet end of the crushing assembly.