CN211937386U - Magnetic separation equipment for low-grade fine-grain magnetite - Google Patents
Magnetic separation equipment for low-grade fine-grain magnetite Download PDFInfo
- Publication number
- CN211937386U CN211937386U CN201922296084.9U CN201922296084U CN211937386U CN 211937386 U CN211937386 U CN 211937386U CN 201922296084 U CN201922296084 U CN 201922296084U CN 211937386 U CN211937386 U CN 211937386U
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- conveying belt
- conveyer belt
- magnetic separation
- magnetic
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- 238000007885 magnetic separation Methods 0.000 title claims abstract description 44
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 21
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000010419 fine particle Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 2
- 238000007790 scraping Methods 0.000 claims 1
- 239000012141 concentrate Substances 0.000 abstract description 12
- 239000008187 granular material Substances 0.000 abstract description 11
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 57
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006148 magnetic separator Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a magnetic separation equipment of low-grade particulate magnetite, including installation pole and the quick-witted case of fixed mounting on the installation pole, quick-witted incasement sets up speed reducer, driving motor and goes up conveyer belt and lower conveyer belt, goes up the conveyer belt and is parallel to each other with lower conveyer belt, forms the magnetic separation clearance between two conveyer belts, goes up the interpolation of conveyer belt and has connect many bar magnets, and the speed reducer is connected with driving motor, last conveyer belt, lower conveyer belt transmission, and the rotational speed size of going up conveyer belt, lower conveyer belt equals, opposite direction. Has the advantages that: a magnetic separation equipment for low-grade fine grain magnetite inhale away through last conveyer belt and realize the accurate separation of magnetic ore granule and non-magnetic ore granule and fall into the row of different hopper respectively on will descending the conveyer belt, the magnetic separation precision is high, is showing to promote the concentrate grade, the practicality is good.
Description
Technical Field
The utility model relates to a mineral processing equipment field, concretely relates to magnetic separation equipment of low-grade fine grain magnetite ore.
Background
Among the prior art, chinese patent with application number 201820308985.8 discloses a dry process magnetic separation equipment for low-grade fine particle magnetite, a dry process magnetic separation equipment for low-grade fine particle magnetite includes the casing, the casing top is equipped with the pan feeding mouth, pan feeding mouth below is equipped with spills the magazine, the inboard of spilling the magazine is opened there is annular through hole, the annular through hole below is provided with keeps off the material ring, the casing is inside to be equipped with the concentrate hopper through supporting, concentrate hopper top is equipped with the magnetic separation dish, it has the magnetism system to arrange in the magnetic separation dish, the magnetic separation dish with there is the clearance between the top edge of concentrate hopper, spill the magazine, keep off material ring and magnetic separation dish and form a whole, whole drive shaft and variable frequency drive device connection are passed through to the whole.
The magnetic separation device screens the ore particles by accelerating and centrifugally flying the ore particles and then decelerating the magnetic ore particles by magnetic force, so that the magnetic ore particles and the nonmagnetic ore particles have different parabolic flight trajectories, the magnetic separation method has the advantages that although the concentrate grade is greatly improved compared with the traditional magnetic pulley dry-type pre-separation device, the concentrate grade is still improved in the practical use process, for example, the magnetic ore particles are attracted and decelerated by the magnetic force and tend to influence the nonmagnetic ore particles flying behind the magnetic ore particles, so that the nonmagnetic ore particles collide with the decelerated magnetic ore particles, the speed of the nonmagnetic ore particles is also reduced and fall into the same concentrate hopper with the magnetic ore particles, and although most of the nonmagnetic ore particles fall into the lower shell of the magnetic separator in the practical work process, a small amount of the nonmagnetic ore particles still fall into the concentrate hopper, therefore, the magnetic separation precision of the magnetic separation equipment still has a space for improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a magnetic separation equipment of low-grade fine-grained magnetite just in order to solve above-mentioned problem to solve the magnetic separation equipment magnetic separation precision among the prior art not high, concentrate grade low grade scheduling problem. The utility model provides a magnetic separation equipment can accurately distinguish magnetic ore granule and non-magnetic ore granule, and magnetic ore granule and non-magnetic ore granule can not mix and fall into same hopper together in, and the magnetic separation precision is high, is showing and promotes the concentrate grade, and the practicality is good.
And the technical effects are explained in detail in the following.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a magnetic separation equipment of low-grade granule magnetite, including installation pole and the quick-witted case of fixed mounting on the installation pole, set up speed reducer, driving motor and upper and lower conveyer belt in the quick-witted case, upper and lower conveyer belt is parallel to each other, forms the magnetic separation clearance between two conveyer belts, and the interpolation of upper and lower conveyer belt has many magnetic sticks, and the speed reducer is connected with driving motor, upper and lower conveyer belt, lower conveyer belt transmission, and the rotational speed of upper and lower conveyer belt is big or small, opposite direction, install the bin outlet hopper that connects the mineral grain that two conveyer belts discharged on the lower surface of machine case, install the scraper blade that will adsorb the mineral grain on the upper and scrape off on the bin outlet hopper; the upper end of machine case has buckled the case lid, be provided with the filling tube that adds the ore granule on the conveyer belt of toward lower extreme on the case lid, the lower surface mounting of case lid has the material stirring mechanism of evenly paving the ore granule on the conveyer belt of lower extreme.
As an important design of the scheme, the material stirring mechanism comprises a push rod motor, a sliding block and a stirring rod, a sliding way is arranged on the box cover along the width direction of the upper conveying belt, the sliding block is slidably mounted in the sliding way, a push rod head of the push rod motor is fixedly connected with the sliding block, the upper end of the stirring rod is fixedly connected with the sliding block, and the lower end of the stirring rod is close to the lower conveying belt.
As the optimal design of present case, the slider comprises mount pad and the installation lid of lock joint in the mount pad upper end of slidable mounting in the slide, the installation lid is located the upper surface of case lid, the installation is covered and to be dismantled fixed mounting and have the connecting rod, the connecting rod is with push rod head fixed connection of push rod motor.
As the optimization design of the scheme, two ends of the slideway are provided with limit switches.
As the optimized design of the scheme, the scraper is provided with the hairbrush which is tightly attached to the upper conveying belt.
Has the advantages that: a magnetic separation equipment for low-grade fine grain magnetite inhale away through last conveyer belt and realize the accurate separation of magnetic ore granule and non-magnetic ore granule and fall into the row of different hopper respectively on will descending the conveyer belt, the magnetic separation precision is high, is showing to promote the concentrate grade, the practicality is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a top view of the present invention with the cover removed;
fig. 4 is a left side view of the present invention;
fig. 5 is a cross-sectional view a-a of fig. 2 in accordance with the present invention;
fig. 6 is an enlarged view of a portion a of fig. 5 according to the present invention;
fig. 7 is a partially enlarged view of the present invention at B in fig. 5.
The reference numerals are explained below:
1. mounting a rod; 2. a chassis; 3. a box cover; 4. a lower conveyor belt; 5. an upper conveying belt; 6. a magnetic bar; 7. ore particles; 8. a magnetic separation gap; 9. a speed reducer; 10. a drive motor; 11. a transmission belt; 12. a discharge hopper; 13. a squeegee; 14. a brush; 15. a slideway; 16. a slider; 17. a connecting rod; 18. a push rod motor; 19. a feed tube; 20. a mounting seat; 21. installing a cover; 22. a deflector rod; 23. and a limit switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-7, the magnetic separation device for low-grade fine magnetite ore provided by the present invention comprises a mounting rod 1 and a casing 2 fixedly mounted on the mounting rod 1, wherein the mounting rod 1 is used for mounting the casing 2, a speed reducer 9, a driving motor 10, an upper conveyor belt 5 and a lower conveyor belt 4 are arranged in the casing 2, the upper conveyor belt 5 and the lower conveyor belt 4 are parallel to each other and form a magnetic separation gap 8 therebetween, as shown in fig. 6, the upper conveyor belt 5 and the lower conveyor belt 4 are obliquely arranged, of course, the upper conveying belt 5 and the lower conveying belt 4 can be horizontally arranged, a plurality of magnetic rods 6 are inserted in the upper conveying belt 5, the plurality of magnetic rods 6 are uniformly distributed in the upper conveying belt 5, the magnetic rods 6 are made of permanent magnetic materials and are tightly inserted in the upper conveying belt 5, in order to facilitate the insertion installation of the magnetic rods 6, the upper conveying belt 5 and the lower conveying belt 4 can be made of rubber; the speed reducer 9 is in transmission connection with the driving motor 10, the upper conveying belt 5 and the lower conveying belt 4, and specifically, the driving belt 11 can be adopted for transmission connection, as shown in fig. 3, in addition, the rotating speeds of the upper conveying belt 5 and the lower conveying belt 4 are required to be equal in size and opposite in direction, and by the design, the moving speeds and the directions of the upper conveying belt 5 and the lower conveying belt 4 in the magnetic separation gap 8 can be kept equal, so that the upper conveying belt 5 can conveniently suck away the magnetic ore particles 7 on the lower conveying belt 4.
Referring to fig. 1, 4 and 5, the lower surface of the casing 2 is provided with two discharge hoppers 12 for containing ore particles 7 discharged from two conveyor belts, specifically, two discharge hoppers 12 are provided, one is used for containing the non-magnetic ore particles 7 falling from the lower conveyor belt 4, and one is used for containing the magnetic ore particles 7 falling from the upper conveyor belt 5, considering that the magnetic ore particles 7 cannot be actively separated from the upper conveyor belt 5, a scraper 13 can be arranged on the discharge hopper 12, the upper end of the scraper 13 is close to the upper conveyor belt 5, the magnetic ore particles 7 adsorbed on the upper conveyor belt 5 are scraped off by the scraper 13 and fall into the discharge hopper 12, in order to ensure that the magnetic ore particles 7 adsorbed on the upper conveyor belt 5 can be scraped off by the scraper 13, a brush 14 can be arranged on the scraper 13, the brush 14 is tightly attached to the upper conveyor belt 5, so that the magnetic ore particles 7 powder adsorbed on the upper conveyor belt 5 can also be scraped off by the brush 14 into the discharge hopper 12, effectively guarantee to scrape upper conveying belt 5 clean.
As shown in fig. 5, a box cover 3 is fastened to the upper end of the case 2, a feeding pipe 19 for adding the mineral particles 7 to the lower conveying belt 4 is fixedly installed on the box cover 3, the feeding pipe 19 and the discharge hopper 12 are respectively located at two ends of the lower conveying belt 4, a material stirring mechanism for uniformly paving the mineral particles 7 on the lower conveying belt 4 is installed on the lower surface of the box cover 3, the mineral particles 7 are conveniently and uniformly paved on the lower conveying belt 4 by the material stirring mechanism, meanwhile, the mineral particles 7 are prevented from rolling off from the lower conveying belt 4, the mineral particles 7 in the feeding pipe 19 should intensively fall to the middle of the lower conveying belt 4, and then are pushed to be flat by the material stirring mechanism; specifically, the material shifting mechanism includes a push rod motor 18, a slider 16 and a shift rod 22, as shown in fig. 2-5, a slide way 15 is disposed on the box cover 3 along the width direction of the upper conveying belt 5 (or the lower conveying belt 4), the slider 16 is slidably mounted in the slide way 15, a push rod head of the push rod motor 18 is fixedly connected with the slider 16, the slider 16 is pushed by the push rod motor 18 to slide along the slide way 15, an upper end of the shift rod 22 is fixedly connected with the slider 16, a lower end of the shift rod 22 is close to the lower conveying belt 4, the slider 16 slides to drive the shift rod 22 to synchronously move to push and evenly spread the ore particles 7 stacked in the middle of the lower conveying belt 4 on the lower conveying belt 4, in order to prevent the ore particles 7 from being pushed out of the lower conveying belt 4 by the shift rod 22 to cause the ore particles 7 to fall off, the length of the slide way 15 is not easy to be overlong, otherwise, the thickness of the ore particles 7 spread on the lower conveyer belt 4 is too large to affect the upper conveyer belt 5 to adsorb the magnetic ore particles 7, preferably, the thickness of the ore particles 7 spread on the lower conveyer belt 4 is preferably a thin layer, so that the deformation amount of the lower conveyer belt 4 is also small, as shown in fig. 5, the length of the lower conveyer belt 4 is large, therefore, after the upper surface of the lower conveyer belt 4 is fully covered with the ore particles 7, the middle part of the lower conveyer belt 4 will inevitably fall under the gravity action of the ore particles 7 to increase the magnetic separation gap 8, which affects the upper conveyer belt 5 to adsorb the magnetic ore particles 7, although the upper conveyer belt 5 also falls after adsorbing the magnetic ore particles 7, the falling amount of the upper conveyer belt 5 is smaller than that of the lower conveyer belt 4, because the selected magnetite has low taste and only a small amount of the magnetic ore particles 7 is in the ore particles 7, so that the thickness of the ore particles 7 spread on the lower conveyer belt 4 is preferably a thin layer in order to reduce the falling amount of the lower conveyer belt 4, so that the upper conveying belt 5 can adsorb the magnetic ore particles 7 conveniently; in addition to the above method, the deformation amount of the lower conveyor belt 4 can be reduced, and the thickness of the lower conveyor belt 4 can be increased to reduce the deformation amount of the lower conveyor belt 4, and meanwhile, in order to ensure that the magnetic separation equipment still has high magnetic separation efficiency, the widths of the upper conveyor belt 5 and the lower conveyor belt 4 can be increased.
In order to facilitate the installation and the disassembly of the slider 16, referring to fig. 7, the slider 16 is composed of an installation base 20 which is slidably installed in the slide way 15 and an installation cover 21 which is fastened to the upper end of the installation base 20, the installation cover 21 is located on the upper surface of the box cover 3, the installation cover 21 is used for preventing the installation base 20 from falling off from the slide way 15, a connection rod 17 is detachably and fixedly installed on the installation cover 21, the connection rod 17 is fixedly connected with a push rod head of a push rod motor 18, in order to enable the slider 16 to smoothly slide in the slide way 15, the connection rod 17 can be a T-shaped rod, as shown in fig. 2, the number of the push rod motors 18 is two, the two push rod motors are respectively located on two sides of the slide way 15.
In order to enable the sliding block 16 to automatically reciprocate in the sliding way 15, two ends of the sliding way 15 are respectively provided with a limit switch 23, the limit switches 23 only collide with the sliding block 16, the limit switches 23 are electrically connected with the push rod motor 18, when the sliding block 16 touches the sliding block 16, the limit switches 23 control the push rod motor 18 to rotate reversely to drive the sliding block 16 to reciprocate, and therefore the deflector rod 22 reciprocates on the lower conveying belt 4 to flatten the ore particles 7 on the lower conveying belt 4.
The working principle is as follows: during the working process, the ore particles 7 are added to the upper surface of the lower conveying belt 4 through the feeding pipe 19, the ore particles 7 accumulated in the middle of the upper surface of the lower conveying belt 4 are stirred by the shifting rod 22 to be spread on the upper surface of the lower conveying belt 4 under the reciprocating movement, so as to form an ore particle 7 layer, then the ore particle 7 layer enters the magnetic separation gap 8 along with the lower conveying belt 4, the magnetic rods 6 in the upper conveying belt 5 suck the magnetic ore particles 7 in the ore particle 7 layer away through magnetic force and tightly adsorb the magnetic ore particles on the lower surface of the upper conveying belt 5, the magnetic ore particles 7 and the non-magnetic ore particles 7 are accurately separated, the magnetic separation precision is high, the ore concentrate grade is obviously improved, the size of the magnetic separation gap 8 is comprehensively determined by the diameter of the ore particles 7 and the magnetic force of the magnetic rods 6, the magnetic separation gap 8 cannot be too large, otherwise, the magnetic force of the magnetic rods 6 is not enough to suck the magnetic ore particles 7, but the magnetic separation gap 8 cannot be too small, otherwise, the non-magnetic ore, finally, the scraper 13 scrapes the magnetic ore particles 7 off from the lower surface of the upper conveyor belt 5, the magnetic ore particles 7 fall into one of the discharge hoppers 12, and the non-magnetic ore particles 7 on the lower conveyor belt 4 fall into the other discharge hopper 12.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. Magnetic separation equipment of low-grade fine particle magnetite, including installation pole (1) and fixed mounting quick-witted case (2) on installation pole (1), its characterized in that: a speed reducer (9), a driving motor (10), an upper conveying belt (5) and a lower conveying belt (4) are arranged in the case (2), the upper conveying belt (5) and the lower conveying belt (4) are parallel to each other, a magnetic separation gap (8) is formed between the two conveying belts, a plurality of magnetic rods (6) are inserted in the upper conveying belt (5), the speed reducer (9) is in transmission connection with the driving motor (10), the upper conveying belt (5) and the lower conveying belt (4), the rotating speeds of the upper conveying belt (5) and the lower conveying belt (4) are equal in size and opposite in direction, a discharging hopper (12) for containing ore grains (7) discharged by the two conveying belts is installed on the lower surface of the case (2), and a scraper blade (13) for scraping off the ore grains (7) adsorbed on the upper conveying belt (5) is installed on the discharging; the upper end lock joint of quick-witted case (2) has case lid (3), be provided with filling tube (19) that add ore grain (7) down on conveyer belt (4) on case lid (3), the lower surface mounting of case lid (3) has the material mechanism of dialling of evenly spreading ore grain (7) on conveyer belt (4) down.
2. The magnetic separation apparatus for low-grade fine-grained magnetite according to claim 1, characterized in that: the material stirring mechanism comprises a push rod motor (18), a sliding block (16) and a stirring rod (22), a sliding way (15) is arranged on the box cover (3) along the width direction of the upper conveying belt (5), the sliding block (16) is slidably mounted in the sliding way (15), a push rod head of the push rod motor (18) is fixedly connected with the sliding block (16), the upper end of the stirring rod (22) is fixedly connected with the sliding block (16), and the lower end of the stirring rod (22) is close to the lower conveying belt (4).
3. The magnetic separation apparatus for low-grade fine-grained magnetite according to claim 2, characterized in that: slider (16) comprise mount pad (20) and lock joint installation lid (21) in mount pad (20) upper end by slidable mounting in slide (15), installation lid (21) are located the upper surface of case lid (3), detachable fixed mounting has connecting rod (17) on installation lid (21), connecting rod (17) and the push rod head fixed connection of push rod motor (18).
4. The magnetic separation apparatus for low-grade fine-grained magnetite according to claim 2, characterized in that: and two ends of the slide way (15) are provided with limit switches (23).
5. The magnetic separation apparatus for low-grade fine-grained magnetite according to claim 1, characterized in that: the scraper (13) is provided with a hairbrush (14), and the hairbrush (14) is tightly attached to the upper conveying belt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922296084.9U CN211937386U (en) | 2019-12-19 | 2019-12-19 | Magnetic separation equipment for low-grade fine-grain magnetite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922296084.9U CN211937386U (en) | 2019-12-19 | 2019-12-19 | Magnetic separation equipment for low-grade fine-grain magnetite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211937386U true CN211937386U (en) | 2020-11-17 |
Family
ID=73176467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922296084.9U Expired - Fee Related CN211937386U (en) | 2019-12-19 | 2019-12-19 | Magnetic separation equipment for low-grade fine-grain magnetite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211937386U (en) |
-
2019
- 2019-12-19 CN CN201922296084.9U patent/CN211937386U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |