CN115970861A - Ore dressing device and method for iron ore - Google Patents
Ore dressing device and method for iron ore Download PDFInfo
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- CN115970861A CN115970861A CN202310105089.7A CN202310105089A CN115970861A CN 115970861 A CN115970861 A CN 115970861A CN 202310105089 A CN202310105089 A CN 202310105089A CN 115970861 A CN115970861 A CN 115970861A
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- protective cover
- baffle
- opening
- induction plate
- iron ore
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The invention discloses an iron ore dressing device, which comprises a feeding hole, a protective cover, a baffle, an induction plate and a dust collection assembly, wherein the protective cover is arranged on the feeding hole; the protective cover is arranged above the feeding hole and wraps the feeding hole, an opening is formed in one side of the protective cover, a baffle is arranged at the opening, and the baffle is connected with an opening and closing assembly; the induction plate is arranged on the platform, the induction element is arranged below the induction plate, the induction plate is provided with an elastic component for pushing the induction plate away from the induction element, and the induction element controls the opening and closing component to start; the dust absorption subassembly sets up at the protection casing lateral wall, absorbs the interior dust of protection casing. The opening and closing of the baffle are automatically controlled, so that external impurities are prevented from entering the feeding hole, and dust is absorbed.
Description
Technical Field
The invention relates to the field of ore dressing, in particular to an iron ore dressing device and an iron ore dressing method.
Background
At present, in the existing iron ore beneficiation process, an iron ore raw material is poured down after being transported to a feeding hole by a forklift, and is crushed and then enters the next step.
But because the feed inlet all the time is in open state, lead to other debris to get into the feed inlet easily, when the fork lift truck drops into the ore in the scraper bowl into the feed inlet simultaneously, produce the dust easily and raise, tiny ore also can splash and go out a bit, not good clearance, and influence the environment easily.
Disclosure of Invention
The invention aims to provide an iron ore beneficiation device and an iron ore beneficiation method.
The technical purpose of the invention is realized by the following technical scheme:
an iron ore dressing device comprises a feeding hole, a protective cover, a baffle, an induction plate and a dust collection assembly; the protective cover is arranged above the feeding hole and wraps the feeding hole, an opening is formed in one side of the protective cover, a baffle is arranged at the opening, and the baffle is connected with an opening and closing assembly; the induction plate is arranged on the platform, the induction element is arranged below the induction plate, the induction plate is provided with an elastic component for pushing the induction plate away from the induction element, and the induction element controls the opening and closing component to start; the dust collection assembly is arranged on the side wall of the protective cover and used for absorbing dust in the protective cover. The forklift moves to the platform, the induction plate is pressed downwards, the induction element is contacted, the controller controls the opening and closing assembly and the dust collection assembly to be started, the baffle is opened, the forklift is put into the protective cover, the material is thrown, the forklift moves out of the platform after the material is thrown, the induction plate is lifted up again, the controller controls the opening and closing assembly to close the baffle, and the dust collection assembly is closed.
As preferred, the switching subassembly includes two baffles, the baffle symmetry sets up the opening that blocks the protection casing, and the switching cylinder is installed respectively at the left and right sides both ends of protection casing, the output shaft and the baffle of switching cylinder are connected, the protection casing both sides are equipped with T type piece, the baffle both sides are equipped with T type groove, T type piece card is in T type inslot, and the baffle removes along the direction of T type piece, and one of them is bellied closed angle of contact surface of two baffles, and the contact surface of another baffle has the draw-in groove that corresponds with the closed angle. Through the switching cylinder is flexible, drives the baffle and removes along the direction of T type piece, the switching of control baffle, closed angle and draw-in groove pair each other, effectively improve the leakproofness.
As preferred, elastic component includes the spring, the platform is equipped with the recess, the tablet sets up in the recess top, and the bottom surface periphery of recess is equipped with the chute, and the centre forms a square platform, the bottom surface of chute is the inclined plane, and communicates around the chute, and the minimum of all chutes is connected with the conveyer pipe, is equipped with a plurality of round holes on the square platform, and the round hole intercommunication has the circular slot, and a plurality of lifter fixed connection are at the tablet lower extreme, and the lifter passes the round hole, gets into the circular slot fixedly connected with disc, be equipped with the spring between disc bottom surface and the circular slot bottom surface, the recess is released with the tablet to the spring. The spring has certain thrust to the tablet, the forklift is when pressing the tablet on, make in the tablet withdrawal recess, open with button contact control baffle, the forklift is put in the ore, tiny ore probably splashes and falls on the platform, the ore that falls on the tablet comes back and forth at the forklift and removes the in-process, can be driven and fall into the chute at edge, the ore that falls outside the recess can, the inclined plane through the chute bottom surface rolls gradually in the conveyer pipe of minimum, transport away at last.
Preferably, the bottom surface of the induction plate is fixedly connected with a protection frame, the protection frame is sleeved outside the square table, and the protection frame slides on the square table. The protection plate prevents that tiny ore particles from falling into between tablet and the square platform, prevents that the in-process that the tablet descends from being withstood by the ore.
Preferably, the dust collection assembly comprises a dust collection pipe, one end of the dust collection pipe is communicated with the interior of the protective cover, the other end of the dust collection pipe is communicated with a treatment box, a fan is mounted on the dust collection pipe, water is arranged in the treatment box, the end part of the dust collection pipe enters the water surface below, and the conveying pipe also extends into the water surface below of the treatment box. And starting the fan, and absorbing the dust in the protective cover into the treatment box through the dust absorption pipe.
Preferably, a protective net is arranged at the part where the dust suction pipe is communicated with the protective cover. The protective net prevents large-particle ores from entering the dust suction pipe
Preferably, the sensing element is a button, and the button is mounted on the square table. The sensing plate descends, the button is pressed, and the button transmits information to the controller.
Preferably, the lower end of the protective frame is provided with a shaking plate, and the shaking plate corresponds to the inclination of the bottom surface of the chute. Tiny ore falls on shaking the movable plate when getting into the chute, and the forklift presses the tablet on every turn and when leaving the tablet, can drive and rock the board and reciprocate once for it can better drop to rock the little ore on the board.
Preferably, an electromagnet is arranged in the treatment box. The iron ore with magnetism is absorbed by an electromagnet.
A mineral processing method of iron ore mainly aims at the iron ore with embedded granularity and gangue containing asbestos, and comprises the following steps:
the method comprises the following steps: the ore is transported by a forklift and is transported to the platform (5), the induction plate (4) is pressed down, and the button (16) is triggered;
step two: the button (16) transmits information to the controller, the controller controls the opening and closing cylinder (9) to start the extension and the fan (8), the baffle (3) is driven to move towards two sides, the protective cover (2) is opened, the shovel extends the bucket into the protective cover (2) to throw ore, and the fan (8) absorbs dust lifted in the throwing process;
step three: small ores falling on the platform (5) are swept into the chute (13) and collected by the collection box;
step four: pre-removing asbestos in the ore;
step five: ball milling the pre-removed ore;
step six: performing three-stage magnetic separation on the ball-milled ore, and finely grinding the magnetic concentrate to 400 meshes with the content of more than 89.5% by using a moxa sand mill;
step seven: and (5) performing continuous two-stage magnetic separation on the ores in the step six, wherein the grade of the concentrate can reach 60 percent, even more than 61 percent.
The invention has the beneficial effects that: 1. the forklift moves to the platform, the induction plate is pressed downwards, the induction element is contacted, the controller controls the opening and closing assembly and the dust collection assembly to be started, the baffle is opened, the forklift is put into the protective cover, the material is thrown, the forklift moves out of the platform after the material is thrown, the induction plate is lifted up again, the controller controls the opening and closing assembly to close the baffle, and the dust collection assembly is closed.
2. Through the switching cylinder is flexible, drives the baffle and removes along the direction of T type piece, the switching of control baffle, closed angle and draw-in groove pair each other, effectively improve the leakproofness.
3. The spring has certain thrust to the tablet, the forklift presses on the tablet when, make in the tablet withdrawal recess, open with button contact control baffle, the forklift puts in the ore, tiny ore probably splashes and falls on the platform, the ore that falls on the tablet comes and goes back and forth at the forklift and removes the in-process, can be driven and fall into the chute at edge, the ore that falls outside the recess can, roll gradually through the inclined plane of chute bottom surface and fall in the conveyer pipe of minimum, transport away at last.
4. The protection plate prevents that tiny ore particles from falling into between tablet and the square platform, prevents that the in-process that the tablet descends from being withstood by the ore.
5. Tiny ore falls on shaking the movable plate when getting into the chute, and the forklift presses the tablet on every turn and when leaving the tablet, can drive and rock the board and reciprocate once for it can better drop to rock the little ore on the board.
6. By using the iron ore dressing method, in the process of treating the iron ore with embedded granularity and asbestos-containing gangue, the granularity of the ground ore is controlled when the concentrate of the mill is used for regrinding, so that the generation of mineral particles with undersize due to over-grinding is prevented, the recovery rate can be kept above 85%, and the concentrate grade can reach 61% and is far higher than 58% of the previous concentrate grade.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a view showing the structure of an opening/closing cylinder;
FIG. 4 is an enlarged view of area A of FIG. 3;
FIG. 5 is a structural view of the sensing plate;
FIG. 6 is an exploded view of the induction plate;
FIG. 7 is a side sectional view of a square table;
fig. 8 is a view showing the construction of the lifter.
Reference numerals are as follows: 1. a feed inlet; 2. a protective cover; 3. a baffle plate; 4. an induction plate; 5. a platform; 6. a treatment tank; 7. a dust collection pipe; 8. a fan; 9. opening and closing the air cylinder; 10. sharp corners; 11. a protective frame; 12. a shaking plate; 13. a chute; 14. a square table; 15. a lifting rod; 16. a button; 17. a spring; 18. a delivery pipe.
Detailed Description
Referring to fig. 1 to 8, the iron ore dressing device comprises a feeding port 1, a protective cover 2, a baffle 3, an induction plate 4 and a dust collection assembly;
the protective cover 2 is arranged above the feed port 1 and wraps the feed port 1, an opening is formed in one side of the protective cover 2, a baffle 3 is installed at the opening, and the baffle 3 is connected with an opening and closing assembly;
the switching subassembly includes baffle 3, baffle 3 is equipped with two, and the symmetry sets up the opening that blocks protection casing 2, both ends about protection casing 2 are installed respectively to switching cylinder 9, switching cylinder 9's output shaft is connected with baffle 3, 2 both sides of protection casing are equipped with T type piece, 3 both sides of baffle are equipped with T type groove, T type piece card is at T type inslot, baffle 3 removes along the direction of T type piece, one of them is bellied closed angle 10 of the contact surface of two baffles 3, the contact surface of another baffle 3 has the draw-in groove that corresponds with closed angle 10, stretch out and draw back through switching cylinder 9, it removes along the direction of T type piece to drive baffle 3, control baffle 3's switching, closed angle 10 and draw-in groove pair each other, effectively improve the leakproofness.
Elastic component includes spring 17, platform 5 is equipped with the recess, tablet 4 sets up in the recess top, the bottom surface periphery of recess is equipped with chute 13, middle square platform 14 that forms, chute 13's bottom surface is the inclined plane, and communicate around chute 13, all chute 13's the minimum is connected with conveyer pipe 18, be equipped with a plurality of round holes on the square platform 14, the round hole intercommunication has the circular slot, 15 fixed connection of a plurality of lifter are at tablet 4 lower extremes, lifter 15 passes the round hole, get into the circular slot fixedly connected with disc, be equipped with spring 17 between disc bottom surface and the circular slot bottom surface, spring 17 releases the recess with tablet 4. Spring 17 has certain thrust to tablet 4, the forklift is when pressing tablet 4 on, make tablet 4 retract in the recess, open with button 16 contact control baffle 3, the forklift is put in the ore, tiny ore probably splashes and falls on platform 5, the ore that falls on tablet 4 comes back and forth at the forklift and removes the in-process, can be driven and fall into the chute 13 of edge, the ore that falls outside the recess can, the inclined plane through chute 13 bottom surface rolls gradually in the conveyer pipe 18 of minimum, transport away at last. 4 bottom surface fixedly connected with of tablet 11, 11 covers of protection frame outside square table 14, and protection frame 11 slides on square table 14, and the protection plate prevents that tiny ore granule from falling into between tablet 4 and the square table 14, prevents that the in-process that tablet 4 descends from being withstood by the ore. The lower end of the protective frame 11 is provided with a shaking plate 12, and the shaking plate 12 corresponds to the bottom slope of the chute 13. Tiny ore falls on shaking board 12 when getting into chute 13, and the forklift presses induction plate 4 and leaves induction plate 4 at every turn, can drive and shake board 12 and reciprocate once for the tiny ore on shaking board 12 can better drop.
The dust collection assembly comprises a dust collection pipe 7, one end of the dust collection pipe 7 is communicated with the interior of the protective cover 2, the other end of the dust collection pipe is communicated with a processing box 6, a fan 8 is installed on the dust collection pipe, water is arranged in the processing box 6, the end part of the dust collection pipe 7 enters the water surface below, and a conveying pipe 18 also extends into the water surface below the processing box 6. The fan 8 is started to absorb dust when the forklift puts ore in, so that the dust is prevented from overflowing. The position that dust absorption pipe 7 and protection casing 2 communicate is equipped with the protection network, and the protection network prevents that the big ore of granule from falling into dust absorption pipe 7, and dust absorption pipe 7 and conveyer pipe 18 let in the aquatic of collecting box with the particulate matter, are equipped with the electro-magnet in the processing case 6, and the dust floats on the surface of water, and the electro-magnet attracts the iron ore, accomplishes resource recovery.
A beneficiation method of iron ore comprises the following steps: the ore is transported by a forklift, and when the ore is transported to the platform 5, the induction plate 4 is pressed down to trigger the button 16; step two: the button 16 transmits information to the controller, the opening and closing cylinder 9 is controlled by the controller to start the extension and the fan 8, the baffle 3 is driven to move towards two sides, the protective cover 2 is opened, the shovel extends the bucket into the protective cover 2, ores are put into the shovel, and dust raised in the putting process is absorbed by the fan 8; step three: small ores falling on the platform 5 are swept into the chute 13 and collected by the collecting box; step four: pre-removing asbestos in the ore; step five: ball milling the pre-removed ore; step six: performing three-stage magnetic separation on the ball-milled ore, and finely grinding the magnetic concentrate to 400 meshes with the content of more than 89.5% by using a moxa sand mill; step seven: and (5) performing continuous two-stage magnetic separation on the ores in the step six, wherein the grade of the concentrate can reach 60 percent, even more than 61 percent.
Claims (10)
1. An iron ore dressing device comprises a feeding hole (1), a protective cover (2), a baffle (3), an induction plate (4) and a dust collection assembly;
the protective cover (2) is arranged above the feeding hole (1) and wraps the feeding hole (1), an opening is formed in one side of the protective cover (2), a baffle (3) is installed at the opening, and the baffle (3) is connected with an opening and closing assembly;
the induction plate (4) is arranged on the platform (5), an induction element is arranged below the induction plate (4), the induction plate (4) is provided with an elastic component for pushing the induction plate (4) away from the induction element, and the induction element controls the opening and closing component to start;
the dust collection component is arranged on the side wall of the protective cover (2) and used for absorbing dust in the protective cover (2).
2. The iron ore dressing device according to claim 1, characterized in that the opening and closing assembly comprises two baffles (3), the baffles (3) are symmetrically arranged to block the opening of the protective cover (2), the opening and closing cylinders (9) are respectively installed at the left end and the right end of the protective cover (2), the output shaft of each opening and closing cylinder (9) is connected with the corresponding baffle (3), T-shaped blocks are arranged on two sides of the protective cover (2), T-shaped grooves are arranged on two sides of each baffle (3), the T-shaped blocks are clamped in the T-shaped grooves, the baffles (3) move along the direction of the T-shaped blocks, one of the contact surfaces of the two baffles (3) is a raised sharp corner (10), and the contact surface of the other baffle (3) is provided with a clamping groove corresponding to the sharp corner (10).
3. The iron ore dressing device according to claim 1, characterized in that the elastic component comprises a spring (17), the platform (5) is provided with a groove, the induction plate (4) is arranged above the groove, the periphery of the bottom surface of the groove is provided with a chute (13), a square table (14) is formed in the middle, the bottom surface of the chute (13) is an inclined plane, the chute (13) is communicated with the front and the back, the lowest points of all the chutes (13) are connected with a conveying pipe (18), the square table (14) is provided with a plurality of round holes, the round holes are communicated with a round groove, a plurality of lifting rods (15) are fixedly connected to the lower end of the induction plate (4), the lifting rods (15) penetrate through the round holes and enter into the round groove to be fixedly connected with a round disc, the spring (17) is arranged between the bottom surface of the round disc and the bottom surface of the round groove, and the spring (17) pushes the induction plate (4) out of the groove.
4. An iron ore dressing plant according to claim 3, characterized in that a protective frame (11) is fixedly connected to the bottom surface of the induction plate (4), the protective frame (11) is sleeved outside the square table (14), and the protective frame (11) slides on the square table (14).
5. The iron ore dressing device according to claim 3, characterized in that the dust collection assembly comprises a dust collection pipe (7), one end of the dust collection pipe (7) is communicated with the inside of the protective cover (2), the other end of the dust collection pipe is communicated with the processing box (6), a fan (8) is installed on the dust collection pipe, water is arranged in the processing box (6), the end part of the dust collection pipe (7) enters the position below the water surface, and the conveying pipe (18) also extends into the position below the water surface of the processing box (6).
6. The iron ore dressing device according to claim 5, characterized in that a protective net is arranged at the position where the dust suction pipe (7) is communicated with the protective cover (2).
7. An iron ore dressing apparatus according to claim 3, characterized in that said sensing element is a push button (16), said push button (16) being mounted on a square table (14).
8. An iron ore dressing plant according to claim 4, characterized in that the lower end of said protective frame (11) is provided with a shaking plate (12), said shaking plate (12) corresponding to the inclination of the bottom surface of the chute (13).
9. An iron ore dressing apparatus according to claim 5, characterized in that an electromagnet is provided in the treatment tank (6).
10. A method for the beneficiation of iron ore by means of a beneficiation plant according to any one of claims 1 to 9, characterized by comprising the following steps:
the method comprises the following steps: the ore is transported by a forklift and is transported to the platform (5), the induction plate (4) is pressed down, and the button (16) is triggered;
step two: the button (16) transmits information to the controller, the controller controls the opening and closing cylinder (9) to start the extension and the fan (8), the baffle (3) is driven to move towards two sides, the protective cover (2) is opened, the shovel extends the bucket into the protective cover (2) to throw ore, and the fan (8) absorbs dust lifted in the throwing process;
step three: small ores falling on the platform (5) are swept into the chute (13) and collected by the collecting box;
step four: pre-removing asbestos in the ore;
step five: performing ball milling on the pre-removed ore;
step six: performing three-stage magnetic separation on the ball-milled ore, and finely milling the ball-milled ore by using a moxa sand mill until the content of 400 meshes is more than 89.5%;
step seven: and carrying out continuous two-stage magnetic separation on the ores obtained in the step six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310105089.7A CN115970861B (en) | 2023-02-07 | 2023-02-07 | Ore dressing device and method for iron ore |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310105089.7A CN115970861B (en) | 2023-02-07 | 2023-02-07 | Ore dressing device and method for iron ore |
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| CN115970861A true CN115970861A (en) | 2023-04-18 |
| CN115970861B CN115970861B (en) | 2023-09-15 |
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| Publication number | Publication date |
|---|---|
| CN115970861B (en) | 2023-09-15 |
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