Iron ore combined separation equipment and separation method thereof

Abstract

The invention discloses iron ore combined separation equipment and a separation method thereof, and relates to the technical field of iron ore beneficiation, the iron ore combined separation equipment comprises a crushing mechanism, a dust removal mechanism is arranged on one side of the crushing mechanism, a grinding mechanism is arranged at the bottom of the crushing mechanism, and a separation mechanism is arranged at the bottom of the grinding mechanism. According to the iron ore combined separation equipment, iron ore needing to be separated is put into the crushing box from the top of the crushing box, a first motor drives one group of crushing rollers to rotate, a transmission gear and the other group of crushing rollers meshed with the transmission gear rotate synchronously during rotation, and then the two groups of crushing rollers are driven to rotate oppositely at the same time, so that the iron ore is crushed conveniently; in the crushing process, a dust suction fan is used for driving to generate strong suction force, the suction force passes through a grid on the side edge of a dust suction cover, raised dust generated in the crushing process is sucked in from the dust suction cover and then is input into the inner side of a dust storage box through a ventilation pipe, dust is stored through the dust storage box, and when the dust is accumulated to a certain amount, the dust storage box is taken out for centralized treatment.

Description

Technical Field

[0001] The invention relates to the technical field of iron ore beneficiation, and in particular to iron ore combined separation equipment and a separation method thereof. Background Art

[0002] With the rapid development of the steel industry, the demand for iron ore is increasing. However, the grade of iron ore resources is gradually decreasing, and the ore composition is complex, often containing a variety of gangue minerals and impurities, which poses a huge challenge to the efficient separation and purification of iron ore.

[0003] In the prior art, for example, the patent application number CN202111353545.7, "A rare earth iron ore mixed separation device", provides a rare earth iron ore mixed separation device with high working efficiency and capable of improving the separation effect by water flow flushing. The present invention provides such a rare earth iron ore mixed separation device, including a base and a first fixed block, the top of the base is symmetrically provided with a first fixed block; a first fixed frame, a first fixed frame is provided between the tops of the first fixed blocks; a second fixed frame, a second fixed frame is provided on the top of the first fixed frame; a first fixed frame, a first fixed frame is provided on one side of the inside of the first fixed frame; a special-shaped frame, a special-shaped frame is provided on one side of the top of the first fixed frame; a second fixed frame, a second fixed frame is symmetrically provided on both sides of the lower part of the special-shaped frame. The present invention can automatically transmit and separate a large amount of rare earth iron ores through the cooperation of a driving mechanism and an iron ore separation mechanism, saving time and effort.

[0004] The existing iron ore separation structure will generate a lot of dust during the separation and crushing process. The dust floating in the air will cause human inhalation, thus causing environmental pollution and even causing harm to the human body, affecting physical health.

[0005] Therefore, we propose an iron ore combined separation device and a separation method thereof to solve the above-mentioned problems. Summary of the invention

[0006] The purpose of the present invention is to provide an iron ore combined separation device and a separation method thereof, so as to solve the problem that the iron ore separation structure proposed in the above background technology will generate a lot of dust during the separation and crushing process. The dust floating in the air will cause human inhalation, thereby causing environmental pollution and even causing harm to the human body and affecting physical health.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an iron ore combined separation device, comprising a crushing mechanism, a dust removal mechanism is arranged on one side of the crushing mechanism, a grinding mechanism is arranged at the bottom of the crushing mechanism, a separation mechanism is arranged at the bottom of the grinding mechanism, a cleaning mechanism is arranged on the separation mechanism, the crushing mechanism comprises a crushing box, crushing rollers are symmetrically arranged inside the crushing box, a transmission gear is arranged at one end of the crushing roller, a first motor is arranged at one end of a single crushing roller, the dust removal mechanism comprises a dust hood, a ventilation pipe is fixedly connected to the bottom of the dust hood, a dust box is fixedly connected to the bottom of the ventilation pipe, a dust storage box is movably installed inside the dust box, and a dust suction fan is symmetrically arranged on the top of the dust box; The separation mechanism includes a separation pool, a U-shaped frame is symmetrically fixedly installed on the top of the separation pool, lifting cylinders are symmetrically arranged on the U-shaped frame, the output end of the lifting cylinder is connected to a connecting frame, the bottom of the connecting frame is connected to a magnetic block, the top of the magnetic block is symmetrically provided with a docking block, and the docking block is sleeved on the bottom end of the connecting frame.

[0008] Preferably, the cleaning mechanism comprises a water tank, a pump is provided on the top of the water tank, and connecting pipes are fixedly connected to both ends of the pump.

[0009] Preferably, one end of the communicating pipe is connected to a spray pipe, and a plurality of nozzles are evenly distributed on one side of the spray pipe.

[0010] Preferably, a feeding port is provided at the bottom of the crushing box, the crushing roller is arranged above the feeding port, and a plurality of rolling teeth are evenly distributed on the outer wall of the crushing roller.

[0011] Preferably, a fan cover is symmetrically mounted on the top of the dust collection box, and the dust collection fan is arranged on the inner side of the fan cover.

[0012] Preferably, the grinding mechanism comprises a grinding jar, a feed port is provided on the top of the grinding jar, a protective cover is fixedly connected to the inner side of the feed port via a connecting rod, and a second motor is provided on the inner side of the protective cover.

[0013] Preferably, a transmission shaft is provided at the bottom of the second motor, and a grinding paddle is symmetrically fixedly mounted on the outer wall of the transmission shaft.

[0014] Preferably, an auger is provided at the inner bottom end of the grinding jar, the auger is fixedly connected to one end of the outer wall of the transmission shaft, and a discharge pipe is fixedly connected to the bottom of the grinding jar.

[0015] A separation method of iron ore combined separation equipment, comprising the following steps: S1. Put the iron ore to be separated and processed into the top of the crushing box, and then drive a set of crushing rollers to rotate through the first motor. At the same time, the other set of crushing rollers meshed with the transmission gear rotate synchronously, thereby driving the two sets of crushing rollers to rotate in opposite directions at the same time, so as to facilitate the crushing of the iron ore.

[0016] S2. During the crushing process, a strong suction force is generated by the dust suction fan. The suction force passes through the grille on the side of the dust hood, sucks the dust generated during the crushing process from the dust hood, and then enters the inner side of the dust storage box through the ventilation pipe. The dust is stored in the dust storage box. When a certain amount of dust accumulates, the dust storage box can be taken out for centralized treatment.

[0017] S3. After being crushed by the crushing roller, the iron ore falls into the grinding tank through the discharge port. During the falling process, the protective cover provides protection for the second motor at the top, which facilitates the second motor to drive the transmission shaft to rotate, and then drives the grinding paddle to rotate, which facilitates the grinding process of the ore.

[0018] S4. The ground and refined ore is output quantitatively through the rotation of the auger, and the iron ore to be separated can be input into the separation tank through the discharge pipe. The connecting frame and the magnetic block are pushed into the separation tank by the lifting cylinder. The ore is magnetically attracted by the magnetic block, which is convenient for separating the stone ore from the iron ore. The lifting cylinder contracts to drive the magnetic block to rise, realizing efficient separation.

[0019] S5. After lifting, the cleaning liquid in the water tank is pumped out through the pump and pipeline connection, and then output through the connecting pipeline, which facilitates the delivery of the cleaning liquid into the spray pipe and is evenly sprayed out through the nozzle, thereby achieving the effect of spray cleaning, effectively reducing the accumulation of residues, and completing the function of efficient separation.

[0020] S6. The separated waste liquid is discharged through the drain outlet at one end of the separation tank to achieve a complete separation operation.

[0021] Compared with the prior art, the present invention has the following beneficial effects: 1. Put the iron ore to be separated and processed from the top of the crushing box, and then drive a group of crushing rollers to rotate through the first motor. At the same time, the other group of crushing rollers meshed with the transmission gear rotate synchronously, thereby driving the two groups of crushing rollers to rotate in opposite directions at the same time, so as to facilitate the crushing of the iron ore. During the crushing process, the dust suction fan drives to generate strong suction, which passes through the grille on the side of the dust hood, sucks the dust generated during the crushing process from the dust hood, and then inputs it into the inner side of the dust storage box through the ventilation pipe. The dust is stored in the dust storage box. When a certain amount of dust is accumulated, the dust storage box can be taken out for centralized treatment; 2. The lifting cylinder pushes the connecting frame and the magnetic block into the separation tank, and the ore is magnetically attracted by the magnetic block to separate the stone ore from the iron ore. The lifting cylinder contracts to drive the magnetic block to rise, thus achieving efficient separation. The pump is connected to the inside of the water tank with a pipeline to extract the cleaning liquid in the water tank and output it through the connecting pipeline, so that the cleaning liquid can be transported into the spray pipe and sprayed evenly through the nozzle, which is conducive to achieving the effect of spray cleaning, effectively reducing the accumulation of residues and completing the function of efficient separation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of an iron ore combined separation device of the present invention; Figure 2 It is a schematic structural diagram of another angle of an iron ore combined separation device of the present invention; Figure 3 It is a schematic cross-sectional structure diagram of a crushing mechanism of an iron ore combined separation device of the present invention; Figure 4 It is a schematic cross-sectional structural diagram of a grinding mechanism of an iron ore combined separation device of the present invention; Figure 5 The present invention is a schematic diagram of the separation mechanism structure of an iron ore combined separation device.

[0023] In the figure: 1. Crushing mechanism; 101. Crushing box; 102. Feeding port; 103. Crushing roller; 104. Transmission gear; 105. First motor; 2. Dust removal mechanism; 201. Dust hood; 202. Ventilation pipe; 203. Dust box; 204. Fan cover; 205. Dust fan; 206. Dust storage box; 3. Grinding mechanism; 301. Grinding jar; 302. Feeding port; 303. Protective cover; 304. 4. Second motor; 305. Drive shaft; 306. Grinding paddle; 307. Auger; 308. Discharge pipe; 4. Separation mechanism; 401. Separation tank; 402. U-shaped frame; 403. Lifting cylinder; 404. Connecting frame; 405. Docking piece; 406. Magnetic block; 5. Cleaning mechanism; 501. Water tank; 502. Pump; 503. Connecting pipe; 504. Spray pipe; 505. Nozzle. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example 1: Please refer to Figure 1-Figure 5 The present invention provides a technical solution: an iron ore combined separation device, comprising a crushing mechanism 1, a dust removal mechanism 2 is arranged on one side of the crushing mechanism 1, a grinding mechanism 3 is arranged at the bottom of the crushing mechanism 1, a separation mechanism 4 is arranged at the bottom of the grinding mechanism 3, a cleaning mechanism 5 is arranged on the separation mechanism 4, the crushing mechanism 1 comprises a crushing box 101, crushing rollers 103 are symmetrically arranged inside the crushing box 101, a transmission gear 104 is arranged at one end of the crushing roller 103, a first motor 105 is arranged at one end of the single crushing roller 103, the dust removal mechanism 2 comprises a dust hood 201, a ventilation pipe 202 is fixedly connected to the bottom of the dust hood 201, a dust box 203 is fixedly connected to the bottom of the ventilation pipe 202, a dust box 206 is movably installed on the inner side of the dust box 203, and the dust box Dust suction fans 205 are symmetrically arranged on the top of 203. The iron ore to be separated and processed is put into the top of the crushing box 101, and then a group of crushing rollers 103 are driven to rotate by the first motor 105. While rotating, another group of crushing rollers 103 meshed with the transmission gear 104 rotate synchronously, thereby driving the two groups of crushing rollers 103 to rotate in opposite directions at the same time, so as to facilitate the crushing of the iron ore. During the crushing process, a strong suction force is generated by the dust suction fan 205. The suction force passes through the grille on the side of the dust hood 201, and the dust generated during the crushing process is sucked from the dust hood 201, and then input to the inner side of the dust storage box 206 through the ventilation pipe 202. The dust is stored by the dust storage box 206. When a certain amount of dust is accumulated, the dust storage box 206 can be taken out for centralized treatment. The separation mechanism 4 includes a separation pool 401, on the top of which a U-shaped frame 402 is symmetrically fixedly installed, and on the U-shaped frame 402, lifting cylinders 403 are symmetrically arranged, and the output end of the lifting cylinder 403 is connected to a connecting frame 404, and the bottom of the connecting frame 404 is connected to a magnetic block 406, and the top of the magnetic block 406 is symmetrically provided with a docking block 405, and the docking block 405 is sleeved on the bottom end of the connecting frame 404, and the connecting frame 404 and the magnetic block 406 are pushed by the lifting cylinder 403 to fall into the interior of the separation pool 401, and the ore is magnetically attracted by the magnetic block 406 to facilitate the separation of stone ore and iron ore, and the lifting cylinder 403 is contracted to drive the magnetic block 406 to rise, thereby achieving efficient separation work.

[0026] like Figure 5 As shown, the cleaning mechanism 5 includes a water tank 501, and a pump 502 is arranged on the top of the water tank 501. Both ends of the pump 502 are fixedly connected with connecting pipes 503. The pump 502 is connected to the inside of the water tank 501 through the pipeline. The cleaning liquid in the water tank 501 is pumped out and then output through the connecting pipe 503, so as to facilitate the cleaning liquid to be transported into the inside of the spray pipe 504.

[0027] like Figure 5As shown, one end of the connecting pipe 503 is connected to a spray pipe 504, and a plurality of nozzles 505 are evenly distributed on one side of the spray pipe 504. The nozzles 505 spray out evenly, which is conducive to achieving the effect of spray cleaning, effectively reducing residue accumulation, and completing the function of efficient separation.

[0028] like Figure 3 As shown, a discharge port 102 is provided at the bottom of the crushing box 101, a crushing roller 103 is arranged above the discharge port 102, and a plurality of rolling teeth are evenly distributed on the outer wall of the crushing roller 103. The discharge port 102 facilitates the discharge work after crushing.

[0029] like Figure 3 As shown, a fan cover 204 is symmetrically installed on the top of the dust collection box 203, and the dust collection fan 205 is arranged on the inner side of the fan cover 204. The fan cover 204 is arranged on the outer side of the dust collection fan 205 to provide protection for the dust collection fan 205.

[0030] like Figure 4 As shown, the grinding mechanism 3 includes a grinding jar 301, a feed port 302 is opened on the top of the grinding jar 301, a protective cover 303 is fixedly connected to the inner side of the feed port 302 through a connecting rod, a second motor 304 is arranged on the inner side of the protective cover 303, and the iron ore falls into the interior of the grinding jar 301 through the discharge port 102 after being crushed by the crushing roller 103. During the falling process, the protective cover 303 provides protection for the second motor 304 at the top.

[0031] like Figure 4 As shown, a transmission shaft 305 is provided at the bottom of the second motor 304, and a grinding paddle 306 is symmetrically fixedly installed on the outer wall of the transmission shaft 305. The second motor 304 drives the transmission shaft 305 to rotate, thereby driving the grinding paddle 306 to rotate, which facilitates the grinding process of the ore.

[0032] like Figure 4 As shown, an auger 307 is provided at the inner bottom end of the grinding tank 301, and the auger 307 is fixedly connected to one end of the outer wall of the transmission shaft 305. A discharge pipe 308 is fixedly connected to the bottom of the grinding tank 301. The ground and refined ore is rotated by the auger 307 to achieve quantitative output, and the iron minerals to be separated can be input into the separation tank 401 in conjunction with the discharge pipe 308.

[0033] The working principle of the whole mechanism is as follows: the iron ore to be separated and processed is put into the top of the crushing box 101, and then a group of crushing rollers 103 are driven to rotate by the first motor 105. At the same time, the transmission gear 104 rotates synchronously with the other group of crushing rollers 103 meshed with it, thereby driving the two groups of crushing rollers 103 to rotate in opposite directions at the same time, so as to facilitate the crushing of the iron ore. In the crushing process, a strong suction force is generated by the dust suction fan 205, and the suction force passes through the grille on the side of the dust suction cover 201, and the dust generated in the crushing process is sucked from the dust suction cover 201 through the ventilation pipe 202, and then input to the inner side of the dust storage box 206, and the dust is stored by the dust storage box 206. When a certain amount of dust is accumulated, the dust storage box 206 can be taken out for centralized treatment. After being crushed by the crushing rollers 103, the iron ore falls into the interior of the grinding tank 301 through the discharge port 102. During the falling process, the protective cover 303 provides protection for the second motor 304 at the top, which is convenient for the second motor 304 to drive the transmission shaft 305 to rotate, thereby driving the grinding tank 301. The grinding paddle 306 rotates, which facilitates the grinding of the ore. The ground and refined ore is output quantitatively through the rotation of the auger 307, and the iron ore to be separated can be input into the separation tank 401 in conjunction with the discharge pipe 308. The connecting frame 404 and the magnetic block 406 are pushed into the separation tank 401 by the lifting cylinder 403. The ore is magnetically attracted by the magnetic block 406, which is convenient for separating the stone ore from the iron ore. The lifting cylinder 403 contracts to drive the magnetic block 406 to rise, thereby achieving efficient separation. After lifting, the pump 502 is connected to the inside of the water tank 501 in conjunction with the pipeline to extract the cleaning liquid in the water tank 501, and then output through the connecting pipeline 503, so as to facilitate the delivery of the cleaning liquid into the spray pipe 504, and evenly spray it out through the nozzle 505, thereby facilitating the spray cleaning effect, effectively reducing the accumulation of residues, and completing the function of efficient separation. The separated waste liquid is discharged through the drain outlet at one end of the separation tank 401 to achieve a complete separation operation.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An iron ore combined separation device, comprising a crushing mechanism (1), characterized in that: A dust removal mechanism (2) is provided on one side of the crushing mechanism (1); a grinding mechanism (3) is provided at the bottom of the crushing mechanism (1); a separation mechanism (4) is provided at the bottom of the grinding mechanism (3); a cleaning mechanism (5) is provided on the separation mechanism (4); the crushing mechanism (1) comprises a crushing box (101); crushing rollers (103) are symmetrically provided inside the crushing box (101); a transmission gear (104) is provided at one end of the crushing roller (103); a first motor (105) is provided at one end of a single crushing roller (103); the dust removal mechanism (2) comprises a dust hood (201); a ventilation pipe (202) is fixedly connected to the bottom of the dust hood (201); a dust box (203) is fixedly connected to the bottom of the ventilation pipe (202); a dust storage box (206) is movably installed inside the dust box (203); and a dust suction fan (205) is symmetrically provided on the top of the dust box (203); The separation mechanism (4) comprises a separation pool (401), a U-shaped frame (402) is symmetrically fixedly installed on the top of the separation pool (401), a lifting cylinder (403) is symmetrically arranged on the U-shaped frame (402), an output end of the lifting cylinder (403) is connected to a connecting frame (404), a magnetic block (406) is connected to the bottom of the connecting frame (404), a docking block (405) is symmetrically arranged on the top of the magnetic block (406), and the docking block (405) is sleeved on the bottom end of the connecting frame (404).

2. The iron ore combined separation equipment according to claim 1, characterized in that: The cleaning mechanism (5) comprises a water tank (501), a pump (502) is arranged on the top of the water tank (501), and connecting pipes (503) are fixedly connected at both ends of the pump (502).

3. The iron ore combined separation equipment according to claim 2, characterized in that: One end of the communication pipe (503) is connected to a spray pipe (504), and a plurality of nozzles (505) are evenly distributed on one side of the spray pipe (504).

4. The iron ore combined separation equipment according to claim 3, characterized in that: The bottom of the crushing box (101) is provided with a feeding opening (102), the crushing roller (103) is arranged above the feeding opening (102), and the outer wall of the crushing roller (103) is evenly distributed with a plurality of rolling teeth.

5. The iron ore combined separation equipment according to claim 4, characterized in that: A fan cover (204) is symmetrically mounted on the top of the dust collection box (203), and the dust collection fan (205) is arranged on the inner side of the fan cover (204).

6. The iron ore combined separation equipment according to claim 5, characterized in that: The grinding mechanism (3) comprises a grinding jar (301), a feeding port (302) is provided on the top of the grinding jar (301), a protective cover (303) is fixedly connected to the inner side of the feeding port (302) via a connecting rod, and a second motor (304) is provided on the inner side of the protective cover (303).

7. The iron ore combined separation equipment according to claim 6, characterized in that: A transmission shaft (305) is provided at the bottom of the second motor (304), and a grinding paddle (306) is symmetrically fixedly mounted on the outer wall of the transmission shaft (305).

8. The iron ore combined separation equipment according to claim 7, characterized in that: An auger (307) is provided at the inner bottom end of the grinding jar (301), and the auger (307) is fixedly connected to one end of the outer wall of the transmission shaft (305). A discharge pipe (308) is fixedly connected to the bottom of the grinding jar (301).

9. A separation method of iron ore combined separation equipment, characterized in that: The iron ore combined separation device according to claim 8 is used, comprising the following steps: S1. Iron ore to be separated and processed is placed from the top of a crushing box (101), and then a first motor (105) drives a group of crushing rollers (103) to rotate. At the same time, another group of crushing rollers (103) meshed with the transmission gear (104) rotate synchronously, thereby driving the two groups of crushing rollers (103) to rotate in opposite directions at the same time, so as to facilitate the crushing of the iron ore; S2. During the crushing process, a strong suction force is generated by driving the dust suction fan (205). The suction force passes through the grille on the side of the dust suction cover (201), and the dust generated during the crushing process is sucked from the dust suction cover (201). The dust is then input into the inner side of the dust storage box (206) through the ventilation pipe (202). The dust is stored in the dust storage box (206). When a certain amount of dust is accumulated, the dust storage box (206) can be taken out for centralized processing. S3, after being crushed by the crushing roller (103), the iron ore falls into the grinding tank (301) through the discharge port (102). During the falling process, the protective cover (303) provides protection for the second motor (304) at the top, making it convenient for the second motor (304) to drive the transmission shaft (305) to rotate, thereby driving the grinding paddle (306) to rotate, thereby facilitating the grinding process of the ore; S4. The ground and refined ore is rotated by the auger (307) to achieve quantitative output, and the iron ore to be separated can be input into the separation tank (401) in conjunction with the discharge pipe (308). The connecting frame (404) and the magnetic block (406) are pushed into the separation tank (401) by the lifting cylinder (403). The ore is magnetically attracted by the magnetic block (406), so that the stone ore and the iron ore can be separated. The lifting cylinder (403) is contracted to drive the magnetic block (406) to rise, thereby achieving a highly efficient separation work. S5, after lifting, the cleaning liquid in the water tank (501) is pumped out through the pump (502) and connected to the inside of the water tank (501) through the pipeline, and then output through the connecting pipeline (503), so as to facilitate the cleaning liquid to be transported to the inside of the spray pipe (504) and evenly sprayed out through the nozzle (505), thereby facilitating the spray cleaning effect, effectively reducing the accumulation of residues, and completing the function of efficient separation; S6. The separated waste liquid is discharged through the drain outlet at one end of the separation tank (401), thus achieving a complete separation operation.

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