CN117000428A - A kind of iron ore sorting and processing equipment for mining areas - Google Patents

Abstract

An iron ore sort processing apparatus for a mining area, comprising: the device comprises a chassis, a ball mill, a vibration screening device, a tailing recycling device, a vibration blanking device and a magnetic separation device; the underframe is fixedly arranged on the ground; the ball mill, the vibration screening device, the tailing recycling device, the vibration blanking device and the magnetic separation device are fixedly arranged on the underframe; the vibration screening device is arranged below the ball mill corresponding to the ball mill; the vibration screening device is provided with a first material conveying funnel and a second material conveying funnel; the tailing recycling device is provided with a tailing recycling feed port and a tailing recycling discharge port; a tailing recycling feed inlet of the tailing recycling device corresponds to the first conveying hopper; the tailing recycling discharge port corresponds to the ball mill; the vibration blanking device is arranged below the vibration screening device corresponding to the second conveying funnel; the at least one magnetic separation device is used for carrying out magnetic separation on crushed ores in the vibration blanking device; the invention can efficiently sort the crushed ores through the vibration screening device and the magnetic separation device, and improves the sorting efficiency.

Description

A kind of iron ore sorting and processing equipment for mining areas

Technical field

The invention relates to the technical field of mining equipment, and in particular to an iron ore sorting and processing equipment for mining areas.

Background technique

Iron ore sorting and processing equipment is mainly aimed at the pre-selection, rough selection and selection and purification of ore. Through its application, it can greatly improve the grade of raw ore, throw out 30%-90% of the tailings, reduce the workload of subsequent mineral processing operations, and reduce costs. Ore dressing costs, or bringing low-grade ores up to smelting standards.

Iron ore sorting and processing equipment refers to the use of magnetic equipment to separate magnetic materials from other materials based on the magnetic characteristics of the material. The equipment used to perform this operation is called iron ore sorting and processing equipment. Generally, Used for production screening of magnetic minerals such as magnetite. The magnetic separation process is achieved by using the magnetic force and mechanical force on the mineral particles in the magnetic field of the magnetic separator.

Chinese patent number CN104190522B has announced a magnetic gravity screening ore process for mixed iron ore, which includes the following process steps: one stage of grinding operation - one stage of classification operation - one stage of weak magnetic separation operation - one stage of strong magnetic separation operation - one stage of gravity separation operation - high Frequency screening operation-two-stage grinding and separation operation. The iron ore screening steps in this invention are roughly the same as the current iron ore analysis steps. The iron ore is gradually broken down through large crushing, medium grinding and fine grinding. After each crushing, it needs to go through sequential magnetic separation. This sorting method has the following problems; first, it increases the number of iron ore sorting steps, resulting in a reduction in iron ore sorting speed; second, after each crushing, there are many excess tailings in the ore material that cannot be removed in time, It will affect the magnetic separation speed and efficiency of the magnetic separator.

Therefore, it is urgent to invent an iron ore sorting and processing equipment for mining areas with a more efficient magnetic separation process.

Contents of the invention

In order to solve the problems in the background technology, the present invention provides an iron ore sorting and processing equipment for mining areas. The specific technical solutions are as follows:

An iron ore sorting and processing equipment for mining areas, including: a chassis, a ball mill, a vibration screening device, a tailing recovery device, a vibration unloading device, a magnetic separation device and a control device; the chassis is fixedly installed on the ground Above; the ball mill, vibration screening device, tailings recovery device, vibration unloading device and magnetic separation device are all fixedly installed on the chassis; the vibration screening device corresponds to the ball mill outlet of the ball mill and is fixedly installed below it ; The vibration screening device is provided with a feeding funnel one and a feeding funnel two; the tailings recycling device is provided with a tailings recycling inlet and a tailings recycling outlet; the tailings recovery device The tailings recycling feed port corresponds to the funnel one outlet of the feeding funnel; the tailings recycling outlet corresponds to the ball mill feeding port of the ball mill; the vibration unloading device corresponds to the feeding funnel The second outlet of the second funnel is fixedly installed under the vibrating screening device; at least one magnetic separation device is used to magnetically separate the crushed ore in the vibrating unloading device; the control device is used to control the entire mining process except itself Operation of district iron ore sorting and processing equipment.

Further, the vibration screening device is also provided with a conveyor belt, a screen and a brush; the front end of the conveyor belt is installed on the chassis corresponding to the ball mill outlet of the ball mill; the screen is slidably installed corresponding to the rear end of the conveyor belt. On the bottom frame, it is driven by a driving device fixedly installed on the bottom frame, and the screen is tilted downward from front to back; the second feeding funnel is fixedly installed on the bottom frame corresponding to the screen; the brush corresponds to The rear end of the sieve is rotatably mounted on the bottom frame and driven by a motor two fixedly mounted on the bottom frame; the conveying funnel one is fixedly mounted on the bottom frame corresponding to the brush, and is used to collect the material scraped off by the brush. Crushed ore.

Further, the driving device includes a rotating shaft; the rotating shaft is rotationally installed on the chassis and is driven by a motor fixedly installed on the chassis; a runner is fixedly installed on one end of the rotating shaft, and the runner is mounted on the first A support rod is installed and rotated eccentrically; the other end of the support rod is rotationally connected to the screen.

Further, the tailings recovery device includes a pneumatic feeder, the tailings recovery inlet of the pneumatic feeder corresponds to the funnel-outlet of the feeding funnel, and the tail of the pneumatic feeder The material recovery outlet corresponds to the ball mill inlet of the ball mill.

Further, the vibrating feeding device is provided with a spring, a feeding plate and a vibrator; the feeding plate corresponds to the two feeding funnels, and is elastically connected to the chassis through a plurality of springs, and is arranged up and down from front to back. It is placed at an angle; the outlet of the unloading device on the feeding plate corresponds to the magnetic separation device; the vibrator is fixedly connected to the feeding plate.

Further, the magnetic separation device is provided with a housing one, a ventilation pipe, a housing two and a rotating shaft two; the housing one is fixedly installed on the chassis; the housing one is provided with a magnetic separation device for feeding materials port, a waste material outlet and an iron ore outlet; the magnetic separation device inlet on the housing one corresponds to the unloading device outlet on the conveyor plate; the second rotating shaft is rotatably installed on the chassis , and is driven by motor three fixedly installed on the chassis; the second housing is fixedly installed on the rotating shaft two, and is located inside the first housing; the formation between the first housing and the second housing can hold crushed ore The cavity; magnets are evenly distributed and fixed inside the second housing; the first housing, the second housing and the second and third rotating shafts are coaxially arranged;

The ventilation pipe is fixedly installed on the first shell and communicates with its interior, and is used to blow the crushed ore in the cavity to rotate; the corresponding waste discharge port and the iron ore discharge port on the first shell are rotated and installed respectively. There are scraper one and scraper two, which are respectively driven by cylinders two and one that are fixedly installed on the housing one, and are used to close or open the waste discharge port and the iron ore discharge port; the scraper The other end of the second end cooperates with the second shell intermittently to remove the iron ore adsorbed on the second shell.

Further, the ventilation duct includes air duct one and air duct two; one end of the air duct two is fixedly connected to the hair dryer, and the other end is fixedly installed on the casing one along the tangential direction of the casing one, and is connected to the casing one. One end of the air duct is connected to the inside of the first casing, so that the wind in the second air duct flows clockwise in the first housing; one end of the air duct corresponds to the feed port of the magnetic separation device on the first housing, along the tangential direction of the first housing Fixedly connected to the housing one, and opposite to the tangent direction between the air duct two and the housing one, so that after the crushed ore enters the housing one from the feed port of the magnetic separation device of the housing one, it must rotate for at least one turn before entering. Inside the air duct one; the other end of the air duct one is fixedly installed on the waste outlet of the housing one, and the installation position is located below the scraper one. When the scraper one blocks the waste outlet, it does not affect the inside of the air duct one. The wind flows out from the inside of the casing; both ends of the air duct are connected to the inside of the casing.

Further, there are two magnetic separation devices; the two magnetic separation devices are fixedly installed on the chassis correspondingly up and down; and the magnetic separation device feed port is located on the shell of the magnetic separation device above. It corresponds to the discharge port of the unloading device on the feeding plate; the waste material discharge port on the housing one of the magnetic separation device located above is the same as the waste material discharge port on the housing one of the magnetic separation device located below. Corresponding to the feed port of the magnetic separation device.

Compared with the prior art, the advantages of the present invention are:

(1) The present invention can efficiently sort crushed ore through a vibration screening device and a magnetic separation device, thereby improving the sorting efficiency;

(2) The present invention can transport oversized crushed ore back to the ball mill for secondary or more grinding through the vibration screening device and the tailing recovery device to ensure that the crushed ore for magnetic separation is of the required size. , thereby avoiding the problem that the broken ore is too large and blocked in the magnetic separation device, thereby affecting the sorting efficiency;

(3) The magnetic separation device of the present invention is equipped with a ventilation pipe, which can blow the crushed ore to rotate inside the magnetic separation device, speeding up the magnetic separation efficiency and improving the accuracy of the magnetic separation;

(4) The vibration screening device and the vibration unloading device of the present invention are both tilted and capable of vibrating themselves, which can speed up the screening and transportation of crushed ore, prevent clogging of crushed ore, and thereby speed up the sorting efficiency of the entire crushed ore.

Description of the drawings

Figure 1 is a schematic diagram of the assembly structure of the present invention;

Figure 2 is a schematic structural diagram of the chassis of the present invention;

Figure 3 is a schematic diagram of the assembly structure of the chassis and ball mill of the present invention;

Figure 4 is a schematic diagram of the assembly structure of the chassis, ball mill, vibration screening device and tailings recovery device of the present invention;

Figure 5 is a schematic diagram of the assembly structure of the chassis and vibrating screening device of the present invention;

Figure 6 is a schematic diagram of the assembly structure of the chassis and part of the vibrating screening device of the present invention;

Figure 7 is a schematic diagram of the assembly structure of part of the vibrating screening device of the present invention;

Figure 8 is an enlarged structural schematic diagram of position A in Figure 7 of the present invention;

Figures 9-10 are schematic diagrams of the assembly structure of some vibration screening devices of the present invention;

Figure 11 is a schematic diagram of the assembly structure of the feeding funnel 1 and the tail material recovery device of the present invention;

Figure 12 is a schematic diagram of the assembly structure of the bottom frame and the vibrating unloading device of the present invention;

Figure 13 is a schematic diagram of the assembly structure of the vibration unloading device of the present invention;

Figure 14 is a schematic diagram of the assembly structure of the chassis, vibration unloading device and magnetic separation device of the present invention;

Figure 15 is a schematic diagram of the assembly structure of the magnetic separation device of the present invention;

Figures 16-18 are schematic diagrams of partial assembly structures of the magnetic separation device of the present invention;

Figures 19-20 are partial cross-sectional structural schematic diagrams of the magnetic separation device of the present invention;

Figure 21 is a schematic diagram of the assembly structure of the second housing, the second rotating shaft and the first scraper of the present invention.

In the picture: 1-base frame, 2-ball mill; 3-vibration screening device (301-baffle, 302-conveyor belt, 303-conveying funnel one, 304-sieve, 305-brush, 306-conveying funnel two , 307-motor one, 308-belt, 309-runner one, 310-shaft, 311-runner two, 312-support rod, 313-fixed block, 314-motor two, 315-bevel gear one, 316-cone Gear two, 317-gear one, 318-gear two), 4-tail recovery device (401-tail recovery inlet, 402-tail recovery outlet), 5-vibration unloading device (501-spring , 502-feeding plate, 503-vibrator), 6-magnetic separation device [601-motor three, 602-gear three, 603-casing one, 604-ventilation duct (6041-air duct one, 6042-air duct 2), 605-cylinder one, 606-cylinder two, 607-scraper one, 608-scraper two, 609-casing two, 610-shaft two, 611-magnet)].

Detailed ways

In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only embodiments of a part of the present invention, rather than All examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts should fall within the scope of protection of the present invention.

Example:

As shown in Figure 1-4, a kind of iron ore sorting and processing equipment for mining areas includes: chassis 1, ball mill 2, vibration screening device 3, tailings recovery device 4, vibration blanking device 5, magnetic separation Device 6 and control device; the chassis 1 is fixedly installed on the ground; the ball mill 2, the vibration screening device 3, the tail material recovery device 4, the vibration unloading device 5 and the magnetic separation device 6 are all fixedly installed on the chassis 1; vibration The screening device 3 corresponds to the ball mill discharge port of the ball mill 2 and is fixedly installed below it; the vibration screening device 3 is provided with a feeding funnel 303 and a feeding funnel 2 306; the tailing material recovery device 4 is provided with a tailing material recovery inlet. The material port 401 and the tailings recovery outlet 402; the tailings recovery feed port 401 of the tailings recovery device 4 is fixedly connected to the funnel-outlet of the conveying funnel 303; the tailings recovery outlet 402 is connected to the ball mill 2 The feed port of the ball mill corresponds to that of the ball mill; the vibration discharge device 5 corresponds to the feeding funnel two 306, and the discharge port of the funnel two is fixedly installed below the vibration screening device 3; at least one magnetic separation device 6 is used to filter the vibration discharge device 5 The crushed ore is magnetically separated; the control device is used to control the operation of iron ore sorting and processing equipment in the entire mining area except itself.

As a specific implementation of this embodiment, the type of ball mill selected is a grid ball mill, and the specific specification model is MQG600×1800.

Specifically, as shown in Figure 5-11, the vibration screening device 3 is also provided with a baffle 301, a conveyor belt 302, a screen 304 and a brush 305; the conveyor belt 302 is installed on the chassis 1, and the front end of the conveyor belt 302 is located in the ball mill The lower end of the ball mill discharge port of ball mill 2; in order to prevent the crushed ore from falling from the conveyor belt 302 to the outside when it falls from the ball mill discharge port of ball mill 2 to the conveyor belt 302, the front end of the conveyor belt 302 is surrounded by a vertical baffle 301. The baffle 301 Fixedly installed on the chassis 1, it can prevent the crushed ore from falling to the outside of the conveyor belt 302 when the crushed ore flows out from the ball mill outlet of the ball mill 2;

The screen 304 is slidably installed on the chassis 1 corresponding to the rear end of the conveyor belt 302; the conveyor belt 302 transports the crushed ore to the screen 304; the screen 304 is gradually tilted downward from the front end to the rear end, so that large pieces of crushed ore can act under its own weight. Move downward along the sieve 304; the sieve 304 is formed with sieve holes one by one by horizontal and vertical staggered brackets, and the sieve holes can allow crushed ores smaller than 0.4mm to pass; the lower end of the sieve 304 is correspondingly provided with a feeding funnel 306 for conveying materials The second funnel 306 is fixedly installed on the chassis 1; the rear end of the sieve 304 is provided with two brushes 305 correspondingly. The crushed ore is screened by the screen 304, and the crushed ore that meets the size requirements falls from the screen hole into the second conveying funnel 306. The larger crushed ore that cannot pass the screen hole rolls down to the rear end of the screen 304 under the tilt of the weight;

In order to screen the crushed ore more quickly, as shown in Figure 7-10, the motor 307 is installed on the chassis 1, and the rotating shaft 310 is mounted on the chassis 1 for rotation; a runner 309 is fixedly installed on one end of the rotating shaft 310. And the first runner 309 is connected to the output end of the motor one 307 through the belt 308; the other end of the rotating shaft 310 is fixedly installed with the second runner 311, and the eccentric position of the second runner 311 is rotationally installed with a support rod 312, and the other end of the support rod 312 is rotationally connected. There is a fixed block 313, and the other end of the fixed block 313 is rotationally connected to the screen 304; the first motor 307 drives the second runner 311 to rotate, and then drives the support rod 312 to swing, thereby driving the screen 304 to slide back and forth on the bottom frame 1, speeding up the crushing of the ore. of screening.

As a specific implementation of this embodiment, the sieve 304 is made of elastic material. When the support rod 312 pushes the sieve 304 to slide, it can deform the sieve 304 itself and vibrate up and down. Therefore, the motor 307 can drive the sieve 304 Sliding on the bottom frame 1 can also drive the screen itself to vibrate, which can speed up the screening of crushed ore.

As shown in Figures 5-6, 8 and 11, the rear end of the sieve 304 is provided with two horizontally placed brushes 305 corresponding to each other, and the two brushes 305 correspond up and down; the two brushes 305 are rotatably installed on the chassis 1; The rear end of the sieve 304 corresponds to the middle position of the two brushes 305; the rear end of the brush 305 is correspondingly provided with a feeding funnel 303, and the feeding funnel 303 is fixedly installed on the chassis 1 and is located below the brush 305; after After the sieve 304 is screened, the large pieces of crushed ore roll to the rear end of the sieve 304 and are blocked by the brushes 305; after the working set time, the two brushes 305 rotate to push the large pieces of crushed ore on the sieve 304 to the output. In the material funnel 303; after being blocked by the brush 305, the crushed ore can stay on the screen 304 for a longer time, and the screen 304 can screen the crushed ore more accurately and carefully;

As a specific implementation of this embodiment, as shown in Figures 5-6 and 11, the second motor 314 is fixedly installed on the chassis 1, the two brushes 305 are both provided with rotating shafts, and the output end of the second motor 314 is fixedly installed. There is a bevel gear 315, and the second bevel gear 316 and the first bevel gear 317 are fixedly installed on one end of the rotating shaft on the brush 305 located below, and the second bevel gear 316 and the first bevel gear 315 mesh with each other; the rotating shaft on the upper brush 305 Gear two 308 is fixedly installed at one end, and gear two 318 meshes with gear one 317; the rotation of motor two 314 drives the two brushes 305 to rotate;

Specifically, as shown in Figure 11, the tailings recovery device 4 includes a pneumatic feeder. The tailings recovery inlet 401 of the pneumatic feeder is fixedly connected to the funnel-outlet of the conveying funnel 303. The pneumatic feeder The tailing material recovery outlet 402 of the device corresponds to the ball mill inlet of the ball mill 2; as a specific implementation of this embodiment, the pneumatic feeder is an AiRTX95308 pneumatic feeder.

Specifically, as shown in Figures 1 and 12-14, the vibrating feeding device 5 is provided with a spring 501, a feeding plate 502 and a vibrator 503; the feeding plate 502 is located below the feeding funnel 2 306 and is facing the feeding The discharge port of the second funnel on the second funnel 306; the conveying plate 502 is a square frame with a groove in the middle, and the rear end of the groove is provided with the discharge port of the unloading device; the conveying plate 502 is fixedly installed by four springs 501 On the bottom frame 1, and the conveying plate 502 is placed inclined downward from front to back, the crushed ore in the second conveying funnel 306 flows out from the outlet of the second funnel 306 and enters into the conveying plate 502. in the groove, and then slides out from the discharge port of the feeding device of the feeding plate 502 under the action of its own weight; the surface of the groove is a smooth plane, making it easier for the crushed ore to flow out of the feeding plate 502; in addition, In order to prevent the accumulation of crushed ore in the groove of the conveyor plate 502, a vibrator 503 is fixedly installed on the conveyor plate 502. The specific model of the vibrator 503 is the ZYDZ250 electromagnetic bin wall vibrator, which can effectively eliminate the damage caused by friction and other reasons. clogging phenomenon;

The outlet of the unloading device of the conveying plate 502 corresponds to the magnetic separation device 6 , and the crushed ore flows out of the conveying plate 502 and then enters the magnetic separation device 6 .

As shown in Figure 15-21, the magnetic separation device 6 is provided with motor three 601, housing one 603, ventilation pipe 604, housing two 609 and rotating shaft two 610; housing one 603 is fixedly installed on the chassis 1; The body 603 is provided with a magnetic separation device inlet, a waste material outlet and an iron ore outlet; the magnetic separation device inlet on the housing 603 and the unloading device outlet on the conveyor plate 502 Correspondingly; the second rotating shaft 610 is rotatably installed on the chassis 1, and a gear three 602 is fixedly installed on one end; the motor three 601 is fixedly installed on the chassis 1, and the output end is fixedly installed with a gear four, and the gear three and the gear four mesh with each other. ; The motor three 601 drives the rotating shaft two 610 to rotate; the rotating shaft two 610 is also fixed with a housing two 609; the housing two 609 is located inside the housing one 603; the housing one 603 and the housing two 609 are both cylindrical. The first housing 603, the second housing 609 and the second rotating shaft 610 are coaxially arranged. A cavity is formed between the first housing 603 and the second housing 609. The crushed ore is fed from the feed port of the magnetic separation device of the first housing 603. Entering the cavity; magnets 611 are evenly distributed in the second housing 609, and the third motor 601 drives the second housing 609 to rotate, thereby adsorbing the iron ore in the cavity to the outer surface of the second housing 609;

As shown in Figure 16-20, the magnetic separation device 6 is also provided with scraper one 607 and scraper two 608. One end of scraper two 608 is rotated and installed on shell one 603, and corresponds to the iron ore discharge port. And driven by the cylinder one 605 fixedly installed on the shell one 603; driven by the cylinder one 605, the other end of the scraper two 608 rotates, and when it offsets the shell one 603, it can block the iron ore on the shell one 603 Stone discharge port, when the other end of scraper two 608 is against the second shell 609, the iron ore on the second shell 609 can be scraped off, and then the scraped iron ore flows out from the iron ore discharge port; In contrast, one end of scraper one 607 corresponds to the waste outlet on housing one 603, is rotatably installed on housing one 603, and is driven by cylinder two 606 fixedly installed on housing one 603; Driven by cylinder two 606, scraper two 608 can be driven to open or block the waste outlet;

In order to speed up the magnetic separation of crushed ore by the magnetic separation device 6, as a specific implementation of this embodiment, as shown in Figures 15-16 and 18-19, a ventilation pipe 604 is fixedly installed on the shell 603; the ventilation pipe 604 It consists of air duct one 6041 and air duct two 6042, and both are connected to the inside of shell one 603; a hair dryer (not shown in the figure) is installed at the air inlet of air duct two 6042, and air duct two 6042 is connected to the shell One 603 has five connecting points evenly distributed, and one end of the air duct 6042 is fixedly installed on the casing 1 603 along the tangential direction of the casing 603, so that the wind in the duct 2 6042 flows clockwise on the casing The air flows in the first 603, and the motor 601 drives the second casing 609 to rotate counterclockwise; one end of the air duct 6041 corresponds to the inlet of the magnetic separation device on the casing 603, and is fixedly connected to the casing 603 along the tangential direction of the casing 603. on the housing one 603, and in the opposite direction to the tangent line between the air duct 6042 and the housing one 603, so that the crushed ore enters the housing one 603 from the feed port of the magnetic separation device of the housing one 603 and rotates at least once Only then can it enter the air duct 6041; the other end of the air duct 6041 is fixedly installed on the waste outlet of the housing 603 and is located below the scraper 607. When the scraper 607 blocks the waste outlet, the airflow will not be affected. The wind in tube one 6041 flows out from the inside of shell one 603;

In the initial state, the scraper one 607 and the scraper two 608 block the waste material outlet and the iron ore outlet on the housing one 603; the crushed ore flows out from the unloading device conveyor port on the conveyor plate 502. Through the magnetic separation device feed port on the first shell 603, it enters the cavity formed by the first shell 603 and the second shell 609. The third motor 601 starts, driving the second shell 609 to rotate, and the iron ore in the crushed ore is Adsorbed to the outer surface of shell two 609; the hair dryer at the air inlet of air duct 6042 is started, and the air flow carries the crushed ore in the cavity in the opposite direction to shell two 609, and then from one end of air duct 6041 Enter and flow out from the other end of the air duct 6041; blowing air into the cavity through a hair dryer can not only speed up the flow speed of the crushed ore in the cavity, but also speed up the screening speed of the crushed ore by the magnetic separation device 6, and can make some The crushed ore rotates in the cavity for at least one circle before flowing out of the cavity, which improves the screening accuracy of the crushed ore;

After the working set time, the hair dryer stops working. At this time, most of the waste that enters the crushed ore in the cavity flows out of the cavity through the air duct 6041 with the wind flow, and the other small part remains in the cavity. The iron ore in the crushed ore It is adsorbed on the second shell 609, starts the cylinder one 605, drives the other end of the second scraper 608 to contact the outer surface of the second shell 609, and with the rotation of the second shell 609, the iron ore on the outer surface of the second shell 609 is Scrape off the outer surface of the second shell 609, flow out from the iron ore outlet of the first shell 603, and then be collected; start the second cylinder 606, drive the scraper one 607 to rotate, and open the waste discharge on the first shell 603 port, and the remaining waste in the cavity flows out of the cavity through the waste outlet.

In order to more accurately screen the iron ore in the crushed ore, as a specific implementation of this embodiment, as shown in Figures 1 and 15, two magnetic separation devices 6 are fixedly installed on the chassis 1 correspondingly up and down; The inlet of the magnetic separation device on the housing one 603 of the magnetic separation device 6 located above corresponds to the discharge port of the unloading device on the feeding plate 502; the housing one 603 of the magnetic separation device 6 located above The waste outlet on the top corresponds to the magnetic separation device inlet on the housing 603 of the magnetic separator 6 located below; after the magnetic separation of the magnetic separator 6 located above is completed, the screened crushed ore will be separated from the waste material. The discharge port flows out and enters the magnetic separation device 6 through the magnetic separation device feed port located below, thereby performing the second magnetic separation.

Working principle: Put the crushed ore into the ball mill 2 for grinding. The ground crushed ore flows from the ball mill outlet of the ball mill 2 to the conveyor belt 302. The conveyor belt 302 transports the crushed ore to the screen 304. The crushed ore is of qualified size. The crushed ore falls into the vibration unloading device 5 through the sieve holes of the sieve 304, and the larger pieces of crushed ore are scraped off into the conveying funnel 303 through the brush 305, and then transported to the ball mill 2 through the pneumatic feeder. Secondary grinding; the crushed ore from the vibrating unloading device 5 flows into the magnetic separation device 6 through the outlet of the unloading device on the vibrating unloading device 5; the motor three 601 starts, driving the housing two 609 to rotate counterclockwise, and the hair dryer starts. Drive the crushed ore in the cavity to rotate clockwise; after the set working time, the hair dryer is turned off, and the cylinder 605 is started to scrape the iron ore away from the outer surface of the casing 2 609, and then flows out from the iron ore discharge port and is collected up, the second cylinder 606 starts, opens the waste outlet, and allows the remaining crushed ore in the cavity to flow out of the magnetic separation device (6);

If more detailed magnetic separation is required, multiple magnetic separation devices 6 can be combined. After the magnetic separation of the upper magnetic separation device 6 is completed, the screened crushed ore flows out from the waste outlet and passes through the lower magnetic separation device. The feed port of the magnetic separation device on 6 enters the magnetic separation device 6, so that the crushed ore is magnetically separated multiple times.

The above are only preferred specific implementations of this embodiment, but the protection scope of this embodiment is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed in this embodiment, implement the method according to this embodiment. Any equivalent substitution or change of the technical solution and the inventive concept of the embodiment shall be covered by the protection scope of the embodiment.

Claims (8)

1. A kind of iron ore sorting and processing equipment for mining areas, characterized by comprising: a bottom frame (1), a ball mill (2), a vibration screening device (3), a tailing recovery device (4), a vibration lower Material device (5), magnetic separation device (6) and control device; the chassis (1) is fixedly installed on the ground; the ball mill (2), vibration screening device (3), and tailing recovery device (4 ), the vibration unloading device (5) and the magnetic separation device (6) are all fixedly installed on the chassis (1); the vibration screening device (3) corresponds to the ball mill outlet of the ball mill (2) and is fixedly installed on it. Below; the vibration screening device (3) is provided with a feeding funnel one (303) and a feeding funnel two (306); the tailings recovery device (4) is provided with a tailings recovery feed port (401 ) and the tailings recovery outlet (402); the tailings recovery inlet (401) of the tailings recovery device (4) corresponds to the funnel-outlet of the feeding funnel (303); the The tailing material recovery outlet (402) corresponds to the ball mill inlet of the ball mill (2); the vibrating feeding device (5) corresponds to the outlet of the second funnel of the conveying funnel (306) and is fixedly installed on Below the vibrating screening device (3); at least one magnetic separation device (6) is used to magnetically separate the crushed ore in the vibrating unloading device (5); the control device is used to control the entire mining area except itself Operation of iron ore sorting and processing equipment. 2. A kind of iron ore sorting and processing equipment for mining areas according to claim 1, characterized in that: the vibration screening device (3) is also provided with a conveyor belt (302), a sieve (304) and a wool screen. Brush (305); the front end of the conveyor belt (302) is installed on the bottom frame (1) corresponding to the ball mill outlet of the ball mill (2); the sieve (304) is slidably installed corresponding to the rear end of the conveyor belt (302) On the bottom frame (1), and driven by a driving device fixedly installed on the bottom frame (1), and the screen (304) is placed tilted downward from front to back; the two feeding funnels (306) and the screen (304) ) are correspondingly fixedly installed on the bottom frame (1); the brush (305) corresponds to the rear end of the sieve (304), is rotatably installed on the bottom frame (1), and is fixedly installed on the bottom frame (1) The second motor (314) is driven; the first conveying funnel (303) is fixedly installed on the chassis (1) corresponding to the brush (305), and is used to collect the crushed ore scraped off by the brush (305). 3. An iron ore sorting and processing equipment for mining areas according to claim 2, characterized in that: the driving device includes a rotating shaft (310); the rotating shaft (310) is rotatably installed on the chassis (1) and driven by a motor (307) fixedly installed on the chassis (1); a runner (311) is fixedly installed at one end of the rotating shaft (310), and the eccentric position of the runner (311) A support rod (312) is rotatably installed; the other end of the support rod (312) is rotatably connected to the screen (304). 4. A kind of iron ore sorting and processing equipment for mining areas according to claim 2, characterized in that: the tailings recovery device (4) includes a pneumatic feeder, and the tailings of the pneumatic feeder The recycling feed port (401) corresponds to the funnel one discharge port of the feeding funnel one (303), and the tailings recycling discharge port (402) of the pneumatic feeder corresponds to the ball mill feed port of the ball mill (2) Corresponding. 5. An iron ore sorting and processing equipment for mining areas according to claim 1, characterized in that: the vibration unloading device (5) is provided with a spring (501), a feeding plate (502) and Vibrator (503); the conveying plate (502) corresponds to the second conveying funnel (306), is elastically connected to the chassis (1) through multiple springs (501), and is placed tilted up and down from front to back; The discharge port of the unloading device on the feeding plate (502) corresponds to the magnetic separation device (6); the vibrator (503) is fixedly connected to the feeding plate (502). 6. An iron ore sorting and processing equipment for mining areas according to claim 5, characterized in that: the magnetic separation device (6) is provided with a housing (603), a ventilation pipe (604), The second housing (609) and the second rotating shaft (610); the first housing (603) is fixedly installed on the chassis (1); the first housing (603) is provided with a magnetic separation device inlet and waste material The discharge port and the iron ore discharge port; the magnetic separation device feed port on the housing one (603) corresponds to the discharge device discharge port on the feeding plate (502); the rotating shaft two (610) It is rotatably installed on the chassis (1) and driven by the motor three (601) fixedly installed on the chassis (1); the housing two (609) is fixedly installed on the rotating shaft two (610) and is located on the housing. Inside the first body (603); a cavity capable of holding crushed ore is formed between the first shell (603) and the second shell (609); magnets (609) are evenly distributed and fixed inside the second shell (609). 611); the first housing (603), the second housing (609) and the second rotating shaft (610) are coaxially arranged; The ventilation pipe (604) is fixedly installed on the housing one (603) and communicates with its interior, and is used to blow the crushed ore in the cavity to rotate; the housing one (603) corresponds to the waste outlet and The iron ore discharge port is equipped with scraper one (607) and scraper two (608) respectively, which are driven by cylinder two (606) and cylinder one (605) fixedly installed on the housing one (603). , used to close or open the waste discharge port and the iron ore discharge port; the other end of the scraper two (608) is intermittently matched with the housing two (609), and is used to clear the housing two (609) ) adsorbed iron ore. 7. An iron ore sorting and processing equipment for mining areas according to claim 6, characterized in that: the ventilation duct (604) includes air duct one (6041) and air duct two (6042); One end of the air duct two (6042) is fixedly connected to the hair dryer, and the other end is fixedly installed on the housing one (603) along the tangential direction of the housing one (603), and communicates with the inside of the housing one (603), for Make the wind in the air duct two (6042) flow clockwise in the housing one (603); one end of the air duct one (6041) corresponds to the inlet of the magnetic separation device on the housing one (603), along the The tangent direction of the shell one (603) is fixedly connected to the shell one (603), and the tangent direction of the air duct two (6042) and the shell one (603) is opposite, so that the crushed ore flows from the shell one. After the feed port of the magnetic separation device of (603) enters the housing one (603), it must rotate for at least one turn before entering the air duct one (6041); the other end of the air duct one (6041) is fixedly installed on the housing one (6041) 603), and the installation position is located below the scraper one (607). When the scraper one 607 blocks the waste outlet, it does not affect the wind in the air duct one (6041) from the shell one (603) Outflow from the inside; both ends of the air duct one (6041) are connected with the inside of the shell one (603). 8. An iron ore sorting and processing equipment for mining areas according to claim 7, characterized in that: there are two magnetic separation devices (6); the two magnetic separation devices (6) are located one above the other. Correspondingly fixedly installed on the chassis (1); the magnetic separation device feed port on the housing one (603) of the magnetic separation device (6) located above and the unloading device on the feeding plate (502) The discharge port corresponds to the waste material discharge port on the housing one (603) of the magnetic separation device (6) located above and the housing one (603) of the magnetic separation device (6) located below. ) corresponds to the feed port of the magnetic separation device on the.