CN214515250U - Dry-type pre-selection machine for ferromagnetic minerals - Google Patents
Dry-type pre-selection machine for ferromagnetic minerals Download PDFInfo
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- CN214515250U CN214515250U CN202120273135.0U CN202120273135U CN214515250U CN 214515250 U CN214515250 U CN 214515250U CN 202120273135 U CN202120273135 U CN 202120273135U CN 214515250 U CN214515250 U CN 214515250U
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Abstract
The utility model relates to the technical field of mining machinery equipment, in particular to a dry-type pre-selector for strong magnetic minerals, which comprises a frame; the material distributing mechanism is arranged on the rack to receive materials to be selected; the first belt type conveying mechanism is positioned below the output end of the material distribution mechanism; the second belt conveying mechanism is positioned below the output end of the first belt conveying mechanism; the sorting mechanism is positioned above the output end of the first belt type conveying mechanism; the sorting mechanism comprises: the sorting conveyor belt assembly is arranged on the rack; a first magnetic member located inside the front portion of the sorting conveyor belt assembly; the first magnetic member is positioned above the first belt conveying mechanism and keeps a preset distance from the first belt conveying mechanism; the second magnetic member is positioned inside the rear part of the sorting conveyor belt assembly; the concentrate collecting component is arranged on the frame. Adopt the utility model discloses can show the concentrated material quality that improves the recovery to promote the rate of recovery.
Description
Technical Field
The utility model relates to a mining machinery equipment technical field especially relates to a strong magnetic mineral dry-type preliminary election machine.
Background
Iron ore resources in China are poor in stability, rich but not rich, are mostly poor ore resources, the average grade is only 31.85%, 11% lower than the world average grade, high-grade iron ore resources are increasingly reduced along with large-scale industrial mining, the utilization of the poor ore resources is rapidly improved, and in order to ensure the full utilization of the poor iron ore resources, part of mines are gradually widened to exploit boundary grade indexes. The reduction of the mining boundary grade can ensure that the grinding grade is improved and higher economic benefit is obtained if a large amount of waste rocks can be effectively discarded before entering formal sorting. The magnetic preselection is the most main preselection method for magnetic minerals, and the key of preselection is the high efficiency of magnetic separation equipment, namely, the high-grade concentrate is ensured to be obtained, and the recovery utilization rate is also obtained as high as possible.
The main methods for magnetic iron mineral preselection currently include: magnetic separation (strong magnetic separation and weak magnetic separation) and gravity separation, wherein a low-magnetic field magnetic separation method is adopted for the pre-separation of strong magnetic iron minerals, and a high-magnetic field magnetic separation or gravity separation method is adopted for the pre-separation of weak magnetic iron minerals. Magnetite is representative of the ferromagnetic minerals, and the main devices currently preselected are: magnetic pulleys, a box type magnetic separator and a permanent magnetic drum type magnetic separator. However, all the pre-concentration equipment for the ferromagnetic minerals adopts weak magnetic field equipment, and although the equipment has the advantages of simple structure, convenient operation, stability, reliability and low energy consumption, the equipment has the defects of low quality improvement of fine materials and low recovery degree.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a ferromagnetic mineral dry-type preliminary election machine, the main aim at improves the beneficiated burden material quality of retrieving to promote the rate of recovery.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a strong magnetic mineral dry-type preselecting machine, which comprises a frame, a distributing mechanism, a first belt-type conveying mechanism, a second belt-type conveying mechanism, a sorting mechanism and a concentrate collecting component;
the material distribution mechanism is arranged on the rack and used for receiving materials to be selected; the material distribution mechanism can disperse and uniformly distribute materials;
the first belt type conveying mechanism is arranged on the rack and is positioned below the output end of the material distribution mechanism;
the second belt type conveying mechanism is arranged on the rack and is positioned below the output end of the first belt type conveying mechanism; the supporting roller at the output end of the second belt type conveying mechanism is a fan-shaped magnetic roller with a sorting function;
the sorting mechanism is arranged on the rack and is positioned above the output end of the first belt type conveying mechanism; the sorting mechanism includes: a sorting conveyor belt assembly, a first magnetic member, and a second magnetic member;
the sorting conveyor belt assembly is arranged on the rack to horizontally convey materials;
the first magnetic member is fixedly disposed on the frame inside the front portion of the sorting conveyor belt assembly;
the first magnetic component is positioned above the first belt-type conveying mechanism and keeps a preset distance with the first belt-type conveying mechanism so as to magnetically attract the magnetic materials on the first belt-type conveying mechanism; the magnetic poles of the first magnetic member can be repeatedly alternated;
the second magnetic member is fixedly arranged on the frame and positioned at the inner side of the rear part of the sorting conveyor belt assembly; the magnetic poles of the second magnetic member can be repeatedly alternated; the second magnetic member is positioned above the second belt conveyor mechanism so that the second belt conveyor mechanism can receive materials falling on the sorting conveyor belt assembly corresponding to the second magnetic member;
the concentrated material collecting component is arranged on the rack, is positioned below the second belt conveying mechanism and the sorting conveyor belt assembly, and is used for collecting the magnetic materials output by the second belt conveying mechanism and the sorting conveyor belt assembly.
Further, still include: a feeding mechanism;
the feeding mechanism is arranged on a concrete structure and used for conveying materials to be selected to the distributing mechanism;
the feed mechanism includes: a feed hopper and a belt feeder;
the feed hopper is fixedly arranged on the concrete structure; the upper end of the feed hopper is provided with a feed inlet, and the lower end of the feed hopper is provided with a discharge outlet;
the belt feeder is located below the feed hopper and used for receiving and outputting the materials output by the feed hopper.
Further, the distributing mechanism is a two-section continuous uniform distribution type distributor.
Further, still include: a tailings collection member;
the tailing collecting component is fixedly arranged on the rack and is arranged in parallel with the fine material collecting component to collect the tailing output by the second belt type conveying mechanism.
Further, the sorting conveyor belt assembly is provided with a plurality of isolation chambers on the conveyor belt; the isolation chambers are uniformly distributed.
Further, the first magnetic member is a magnetic plate structure;
the second magnetic member is a magnetic plate structure.
Furthermore, an adjusting plate is arranged on the frame; the adjusting plate can swing relative to the frame to adjust the ratio of material flowing into the concentrate collecting member and the tailings collecting member.
Borrow by above-mentioned technical scheme, the utility model discloses strong magnetic mineral dry-type preliminary election machine has following advantage at least:
the quality of the recovered concentrate can be obviously improved, and the recovery rate is improved.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic view of a dry-type pre-concentration machine for ferromagnetic minerals provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a dry type pre-concentration machine for ferromagnetic minerals provided by the embodiment of the present invention.
Shown in the figure:
the device comprises a frame 1, a material distribution mechanism 2, a first belt conveying mechanism 3, a second belt conveying mechanism 4, a magnetic roller 4-1, a sorting mechanism 5, a sorting conveyor belt assembly 5-1, a first magnetic component 5-2, a second magnetic component 5-3, a concentrate collecting component 6, a tailing collecting component 7, an adjusting plate 8, a feeding mechanism 9-1, a feeding hopper 9-1 and a belt feeder 9-2.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1 and fig. 2, the dry-type pre-selector for strong magnetic minerals according to an embodiment of the present invention comprises a frame 1, a distributing mechanism 2, a first belt conveyor 3, a second belt conveyor 4, a sorting mechanism 5 and a concentrate collecting member 6; the frame 1 is a frame structure; the frame 1 is formed by welding or fastening formed steel. This embodiment is preferred, the utility model discloses an embodiment proposes a strong magnetic mineral dry-type preliminary election machine still includes: a feeding mechanism 9; the feeding mechanism 9 is arranged on the concrete structure and used for conveying materials; the feeding mechanism 9 includes: a feed hopper 9-1 and a belt feeder 9-2; the feed hopper 9-1 is fixedly arranged on the concrete structure; the upper end of the feed hopper 9-1 is provided with a feed inlet for adding materials; the lower end is provided with a discharge hole for outputting materials; the belt feeder 9-2 is fixedly arranged on a concrete structure and is positioned below the feed hopper 9-1 and used for receiving and outputting the materials output by the feed hopper 9-1. The belt feeder 9-2 conveys the material to the distributing mechanism 2.
The material distribution mechanism 2 is arranged on the frame 1 to receive materials to be selected; the material distributing mechanism 2 can disperse and uniformly distribute materials; in the preferred embodiment, the distributing mechanism 2 is a two-section continuous uniform distributing device, so that the powdery particles can be effectively, continuously and uniformly fed onto the first belt-type conveying mechanism 3, and extremely favorable conditions are created for realizing efficient preselection. It has strong adaptability to powdery granular materials with high moisture, large material quantity fluctuation and large particle size fluctuation.
The first belt type conveying mechanism 3 is arranged on the rack 1 and is positioned below the output end of the material distribution mechanism 2; the first belt type conveying mechanism 3 is used for supporting and rotating the conveying belt by the supporting rollers at the input end and the supporting rollers at the output end so as to convey materials. The first belt conveyor 3 is provided with a vibrating member which vibrates to enable the material on the first belt conveyor 3 to be loosely distributed.
The second belt type conveying mechanism 4 is arranged on the rack 1 and is positioned below the output end of the first belt type conveying mechanism 3, so that the output materials of the first belt type conveying mechanism 3 and the sorting mechanism 5 can be conveniently received; the second belt conveying mechanism 4 is used for supporting and rotating the conveying belt by the supporting rollers at the input end and the supporting rollers at the output end so as to convey materials. The supporting roller at the output end of the second belt type conveying mechanism 4 is a fan-shaped magnetic roller 4-1 with a sorting function; the support rollers at the output end of the second belt conveyor 4 are magnetic rollers.
The sorting mechanism 5 is arranged on the rack 1 and is positioned above the output end of the first belt-type conveying mechanism 3; the sorting mechanism 5 includes: a sorting conveyor belt assembly 5-1, a first magnetic member 5-2, and a second magnetic member 5-3; the sorting conveyor belt assembly 5-1 is arranged on the rack 1 to horizontally convey sorted materials; the sorting conveyor belt assembly 5-1 is used for conveying materials, and the conveyor belt is supported by the supporting rollers at the input end and the supporting rollers at the output end to rotate. In the embodiment, a plurality of isolation chambers are preferably arranged on the conveying belt of the sorting conveying belt assembly 5-1; the plurality of isolation chambers are uniformly distributed, so that the whole separation space is divided into a plurality of independent small separation units, and high-efficiency separation is facilitated. The isolation chamber is a chamber with an opening at one end which is far away from the conveying belt. The magnetism of the first magnetic member 5-2 and the second magnetic member 5-3 may be the same or different.
The first magnetic member 5-2 is fixedly arranged on the frame 1, is positioned at the inner side of the front part of the sorting conveyor belt assembly 5-1, and is specifically positioned between the upper belt and the lower belt of the conveyor belt of the sorting conveyor belt assembly 5-1; the first magnetic component 5-2 is positioned above the first belt-type conveying mechanism 3, keeps a preset distance with the first belt-type conveying mechanism 3 and magnetically attracts magnetic materials on the first belt-type conveying mechanism 3; the magnetic poles of the first magnetic member 5-2 can be repeatedly alternated; preferably, the first magnetic member 5-2 is a magnetic plate structure;
the second magnetic member 5-3 is fixedly arranged on the frame 1 and is positioned at the inner side of the rear part of the sorting conveyor belt assembly 5-1; particularly between the upper and lower belts of the conveyer belt of the sorting conveyer belt component 5-1; the magnetic poles of the second magnetic member 5-3 can be repeatedly alternated; the second magnetic component 5-3 is positioned above the second belt conveyor 4, so that the second belt conveyor 4 can receive materials falling from the sorting conveyor belt component 5-1 corresponding to the second magnetic component 5-3; the second magnetic member 5-3 is a magnetic plate structure.
The concentrate collecting member 6 is arranged on the frame 1 and is positioned below the second belt conveyor 4 and the sorting conveyor belt assembly 5-1 and used for collecting the magnetic materials output by the second belt conveyor 4 and the sorting conveyor belt assembly 5-1.
The utility model discloses an embodiment provides a strong magnetic mineral dry-type preliminary election machine can show the beneficiated burden material quality that improves the recovery to promote the rate of recovery.
As a preferable example of the above embodiment, the method further includes: a tailing collecting member 7; the tailing collecting member 7 is fixedly arranged on the frame 1 and is arranged in parallel with the fine material collecting member 6 so as to collect the tailing output by the second belt conveyor 4.
The utility model discloses a strong magnetic mineral dry-type preliminary election machine that an embodiment of proposed, magnetism roller, first magnetic member 5-2 and second magnetic member 5-3 all adopt well magnetic field intensity. The sorting process is carried out under two states of non-contact and contact with the magnetic system, namely floating and attaching. The utility model discloses an embodiment provides a strong magnetic mineral dry-type preliminary election machine has realized that the roughing of dry-type preliminary election, scavenging, choice machine are organized and are accomplished, has simplified technology configuration greatly, has improved separation efficiency.
The utility model discloses an embodiment provides a strong magnetic mineral dry-type preliminary election machine's sorting principle as follows: when the magnetic field roughing device works, materials to be sorted are conveyed to the distributing mechanism 2 through the feeding mechanism 9, the distributing mechanism 2 evenly supplies the materials to the first belt conveying mechanism 3, the materials enter a magnetic field sorting area in a loose state for roughing, most of the ferromagnetic minerals are easily separated from a discharging layer from the loose material layer under the action of magnetic force of the first magnetic component 5-2, suspended and moved upwards and adsorbed on the sorting conveying belt component 5-1 moving in the same direction with the first belt conveying mechanism 3, the mixed gangue and the minerals with weak magnetism fall back to the first belt conveying mechanism 3 under the comprehensive action of magnetic force, gravity and inertia force during the floating period, the minerals adsorbed on the sorting conveying belt component 5-1 are in the magnetic field roughing area, and the magnetic poles NS of the longer first magnetic component 5-2 are alternated, so that the first belt conveying mechanism can do violent magnetic rolling movement repeatedly, in the process, under the combined action of gravity, alternate magnetic force and inertia force, the coarse (primary) separation of strong magnetic minerals, gangue and minerals with weaker magnetism is realized, after the coarse separation of the strong magnetic minerals, the gangue and the minerals with weaker magnetism are separated from a magnetic field coarse separation area, the strong magnetic rolling movement is continued, the coarse separation is further carried out under the combined action of the alternate magnetic force, the inertia force and the gravity of a second magnetic component 5-3, and finally the strong magnetic minerals are separated from the magnetic field of the second magnetic component 5-3 under the drive of a separation conveyor belt component 5-1 and then enter a concentrate groove by virtue of the gravity and the inertia force to form primary concentrate. The flotation, roughing and concentrating are carried out the magnetic tumbling process, a small amount of ferromagnetic minerals, weak magnetic minerals and a small amount of gangue minerals which are thrown out by inclusion fall back to the second belt type conveying mechanism 4 by the self gravity, are scavenged together with tailings falling onto the second belt type conveying mechanism 4 by the first belt type conveying mechanism 3, enter tailings collection members 7 to become final tailings, enter concentrate collection members 6 to become secondary concentrates, and are combined with primary concentrates output by the separation conveying belt assembly 5-1 to become final concentrates for the mineral separation grinding operation. The actual production can be realized by adjusting the position of the adjusting plate 8 and further adjusting the separation position of the collected mineral aggregate, the positions of the first magnetic member 5-2 and the second magnetic member 5-3 and the separation space according to different process index requirements on site.
The utility model discloses an embodiment provides a strong magnetic mineral dry-type preliminary election machine all adopts well magnetic field intensity, adopts high magnetic field intensity and low magnetic field intensity to gain more ideal separation effect than at present. The utility model discloses an embodiment provides a strong magnetic mineral dry-type preliminary election machine, both greatly reduced the cost, obtained again than the ideal effect of taking the better ore dressing technical index of high magnetic field, low-intensity magnetic field intensity equipment.
The conveyer belt of the first belt conveying mechanism 3 and the conveyer belt of the sorting conveyer belt assembly 5-1 adopt a moderate speed difference design, so that the influence of weakening the sorting process due to the fact that a large amount of strongly magnetic minerals are gathered to adsorb and the sorting conveyer belt assembly 5-1 occupies the sorting space is avoided on the premise that the sufficient sorting time is ensured, and the improvement of the comprehensive efficiency of preselection is facilitated.
As a preference of the above embodiment, the frame 1 is provided with an adjusting plate 8; the adjusting plate 8 can be swung relative to the frame 1 to adjust the ratio of material flow into the concentrate collecting member 6 and the tailings collecting member 7. Of course, the adjusting plate 8 can be hinged on the concentrate collecting member 6 and/or the tailing collecting member 7.
Further still, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with such terms being used only to distinguish one element from another. Without departing from the scope of the exemplary embodiments. Similarly, the terms first, second, etc. do not denote any order or order, but rather the terms first, second, etc. are used to distinguish one element from another. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (7)
1. A dry-type pre-concentration machine for ferromagnetic minerals is characterized by comprising a rack, a distributing mechanism, a first belt-type conveying mechanism, a second belt-type conveying mechanism, a sorting mechanism and a concentrate collecting component;
the material distribution mechanism is arranged on the rack and used for receiving materials to be selected; the material distribution mechanism can disperse and uniformly distribute materials;
the first belt type conveying mechanism is arranged on the rack and is positioned below the output end of the material distribution mechanism;
the second belt type conveying mechanism is arranged on the rack and is positioned below the output end of the first belt type conveying mechanism; the supporting roller at the output end of the second belt type conveying mechanism is a fan-shaped magnetic roller with a sorting function;
the sorting mechanism is arranged on the rack and is positioned above the output end of the first belt type conveying mechanism; the sorting mechanism includes: a sorting conveyor belt assembly, a first magnetic member, and a second magnetic member;
the sorting conveyor belt assembly is arranged on the rack to horizontally convey materials;
the first magnetic member is fixedly disposed on the frame inside the front portion of the sorting conveyor belt assembly;
the first magnetic component is positioned above the first belt-type conveying mechanism and keeps a preset distance with the first belt-type conveying mechanism so as to magnetically attract the magnetic materials on the first belt-type conveying mechanism; the magnetic poles of the first magnetic member can be repeatedly alternated;
the second magnetic member is fixedly arranged on the frame and positioned at the inner side of the rear part of the sorting conveyor belt assembly; the magnetic poles of the second magnetic member can be repeatedly alternated; the second magnetic member is positioned above the second belt conveyor mechanism so that the second belt conveyor mechanism can receive materials falling on the sorting conveyor belt assembly corresponding to the second magnetic member;
the concentrated material collecting component is arranged on the rack, is positioned below the second belt conveying mechanism and the sorting conveyor belt assembly, and is used for collecting the magnetic materials output by the second belt conveying mechanism and the sorting conveyor belt assembly.
2. The dry pre-concentration machine for ferromagnetic minerals as set forth in claim 1, further comprising: a feeding mechanism;
the feeding mechanism is arranged on a concrete structure and used for conveying materials to be selected to the distributing mechanism;
the feed mechanism includes: a feed hopper and a belt feeder;
the feed hopper is fixedly arranged on the concrete structure; the upper end of the feed hopper is provided with a feed inlet, and the lower end of the feed hopper is provided with a discharge outlet;
the belt feeder is located below the feed hopper and used for receiving and outputting the materials output by the feed hopper.
3. The dry pre-concentration machine for ferromagnetic minerals as set forth in claim 1,
the distributing mechanism is two sections of continuous uniform distribution type distributing devices.
4. The dry pre-concentration machine for ferromagnetic minerals as set forth in claim 1, further comprising: a tailings collection member;
the tailing collecting component is fixedly arranged on the rack and is arranged in parallel with the fine material collecting component to collect the tailing output by the second belt type conveying mechanism.
5. The dry pre-concentration machine for ferromagnetic minerals as set forth in claim 1,
the sorting conveyor belt assembly is provided with a plurality of isolation chambers on the conveyor belt; the isolation chambers are uniformly distributed.
6. The dry pre-concentration machine for ferromagnetic minerals as set forth in claim 1,
the first magnetic component is of a magnetic plate structure;
the second magnetic member is a magnetic plate structure.
7. Dry pre-concentration machine for ferromagnetic minerals according to claim 4,
the frame is provided with an adjusting plate; the adjusting plate can swing relative to the frame to adjust the ratio of material flowing into the concentrate collecting member and the tailings collecting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120273135.0U CN214515250U (en) | 2021-01-29 | 2021-01-29 | Dry-type pre-selection machine for ferromagnetic minerals |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120273135.0U CN214515250U (en) | 2021-01-29 | 2021-01-29 | Dry-type pre-selection machine for ferromagnetic minerals |
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| Publication Number | Publication Date |
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| CN214515250U true CN214515250U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120273135.0U Active CN214515250U (en) | 2021-01-29 | 2021-01-29 | Dry-type pre-selection machine for ferromagnetic minerals |
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| CN (1) | CN214515250U (en) |
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2021
- 2021-01-29 CN CN202120273135.0U patent/CN214515250U/en active Active
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