CN209968641U - A high frequency harmonic magnetic field magnetic separator - Google Patents

Abstract

The utility model discloses a high-frequency harmonic magnetic field magnetic separator, which comprises a frame, wherein a high-frequency alternating magnetic field roller is rotatably arranged on the frame, a rinsing water tank and a separation cavity body which are positioned on one side of the high-frequency alternating magnetic field roller are arranged on the frame, an ore unloading device which is positioned on the other side of the high-frequency alternating magnetic field roller is arranged on the frame, the ore unloading device comprises a tank, a separation roller shaft is rotatably arranged in the tank, one end of the separation roller shaft is connected with a rotating sleeve, and the other end of the separation roller shaft is connected with a; a material guide plate is fixedly connected in the trough box, and the cross section of the material guide plate is of an oblique L-shaped structure; a plurality of supporting rods which are arranged at intervals are fixedly connected to the inclined plate of the material guide plate, and an adjusting plate is fixed at the upper end of each supporting rod; a vibration mechanism is also arranged in the tank box; a plurality of wind pressure mechanisms for blowing materials are arranged on the top plate of the tank box; the bottom of the back plate of the tank box is provided with a discharge hole. The method overcomes the defect that the metal ore on the high-frequency alternating magnetic field roller cannot be thoroughly separated by adopting a scraper or flushing water ore unloading mode in the prior art.

Description

A high frequency harmonic magnetic field magnetic separator

technical field

The utility model relates to the technical field of magnetic separation equipment, in particular to a high-frequency harmonic magnetic field magnetic separator.

Background technique

The magnetic separator magnetically adsorbs the metal ore in the slurry entering the separation chamber and drives it to the unloading area for unloading after washing. The unloading mentioned here is magnetic adsorption on the high-frequency alternating magnetic field drum. When the metal ore is detached, due to the large magnetic suction force generated in the high-frequency alternating magnetic field drum, the method of unloading the ore by scraper or flushing water in the prior art can no longer be satisfied, and it is easy to lead to unclean unloading of the ore. When a lot of metal ores are accumulated on the high-frequency alternating magnetic field drum, the rotation will be affected, and the normal sorting process cannot be carried out normally. Therefore, it is necessary to carry out thorough unloading in the unloading area. It has been unable to adapt to the device with the large adsorption force of the high-frequency alternating magnetic field on the metal ore.

Utility model content

Aiming at the deficiencies in the prior art, the utility model provides a high-frequency harmonic magnetic field magnetic separator, which solves the problem that the scraper or flushing water unloading method adopted in the prior art scheme cannot completely separate the high-frequency alternating current. The problem of separation of metal ore on the variable magnetic field drum.

To achieve the above object, the utility model adopts the following technical scheme:

A high-frequency harmonic magnetic field magnetic separator includes a frame, a high-frequency alternating magnetic field drum is rotatably installed on the frame, and a rinsing water tank located on one side of the high-frequency alternating magnetic field drum and a sorting drum are installed on the frame. A cavity, the rack is provided with an unloading device located on the other side of the high-frequency alternating magnetic field drum, the unloading device includes a tank box fixed on the rack, and the tank box is close to the high-frequency alternating magnetic field One side of the drum is an opening, and an inclined mounting plate is fixed on the edge of the top plate on one side of the opening of the tank box; a separation roller for scraping the outer wall of the high-frequency alternating magnetic field drum is rotatably installed in the tank box, and the separation roller One end of the shaft is connected with a rotating sleeve fixed on the frame, and the other end of the separation roller is connected with a drive motor fixed on the frame; The cross-section of the material plate is in an oblique “L” shape; the inclined plate of the material guide plate is fixed with a plurality of supporting rods arranged at intervals, and the upper end of the supporting rod is fixed with an adjusting plate, which is locked by bolts On the top plate of the tank box; the tank box is also provided with a vibration mechanism located below the material guide plate; the top plate of the tank box is installed with a plurality of wind pressure mechanisms for blowing materials; the back plate of the tank box The bottom is provided with a discharge port for discharging.

By feeding the metal ore containing metal ore into the separation chamber first, the high-frequency alternating magnetic field drum will adsorb the metal ore and rotate synchronously. When the metal ore rotates to the unloading device, the metal ore will be separated from the high-frequency alternating magnetic field drum. , so as to complete the screening of metal ores. When unloading, let the drive motor drive the separation roller to rotate and its rotation direction is opposite to the rotation direction of the high-frequency alternating magnetic field roller, so that it can effectively, quickly and completely separate and adsorb at high temperature. The metal ore on the frequency alternating magnetic field drum; when the metal ore is separated and falls on the guide plate, the vibration mechanism is used to knock the guide plate, so that the metal ore stuck on the guide plate can move down quickly At the same time, the wind pressure mechanism is used to blow the crushed stone splashed down during the separation process to avoid the crushed stone splashing to the outside of the device; in the process of metal ore separation, the separation roller rolls between the outer walls of the high-frequency alternating magnetic field drum And scraping, so that the metal ore can be separated efficiently without causing the deformation of the high-frequency alternating magnetic field drum.

The vibration mechanism includes a support frame fixed on the bottom plate of the tank box, and the cross section of the support frame is in a "ㄇ" shape; the top plate of the support frame is fixed with a plurality of uniformly distributed along the length direction. A guide sleeve, the central axis of the guide sleeve is perpendicular to the inclined plate of the material guide plate; the guide sleeve is slidably installed with a "T"-shaped push rod for knocking the inclined plate of the material guide plate, and the push rod goes up Sliding teeth are arranged on the parts in the support frame; a turret is installed on the bottom plate of the tank box, and a drive shaft that is engaged with the sliding teeth is rotatably installed on the turret, and a drive shaft connected to the drive shaft is installed on the turret. Turn the motor.

The drive shaft includes a rotating shaft and a drive gear mounted on the rotating shaft at intervals, and the meshing teeth on the drive gear are distributed at intervals.

A fixing plate perpendicular to the push rod is fixedly connected between the support frame and the bottom plate of the tank box, and a return spring is connected between the fixing plate and the push rod.

The wind pressure mechanism includes an air guide tube fixed on the top plate of the tank box and a positioning block fixed on the mounting plate, the air guide tube is installed with an induced draft fan; a plurality of nozzles arranged at intervals are installed on the positioning block , a plurality of nozzles are communicated through a branch bronchus, and an air guide pipe is communicated between the branch bronchus and the air guide tube.

The inlet of the nozzle is provided with a quick-change joint for easy disassembly.

A sliding rod is slidably arranged between the two side plates of the tank box, and only a pusher plate that is slidably matched with the bottom plate of the tank box is fixed on the sliding rod; the two side plates of the tank box are provided with limited sliding Limit slide for rod movement.

A plurality of evenly arranged triangular teeth are arranged on the circumferential surface of the separating roller.

The high-frequency alternating magnetic field drum includes a magnetic cylinder rotatably installed on the bracket and a magnetic system rotatably installed in the magnetic cylinder.

The magnetic cylinder is driven to rotate by a magnetic cylinder driving device installed on the frame, the magnetic system is driven to rotate by a magnetic system driving device installed on the frame, and the magnetic cylinder and the magnetic system rotate in opposite directions.

Compared with the prior art, the utility model has the following beneficial effects:

1. Use the relative rotation between the separation roller and the high-frequency alternating magnetic field drum to improve the completeness of the metal ore from the high-frequency alternating magnetic field drum, and overcome the strong adsorption effect of the alternating magnetic field; at the same time, the separation roller will separate the The last metal ore is thrown to the guide plate for collection, so that the scattered metal ore is collected, which is convenient for centralized discharge;

2. The guide plate is knocked and vibrated by the vibration mechanism in the tank box, so that the metal ore stuck on the inclined plate of the guide plate can move down quickly and avoid being pushed by the separation roller after the accumulation height is too high. When the high-frequency alternating magnetic field roller is adsorbed;

3. Air is supplied to the contact position between the separation roller and the high-frequency alternating magnetic field through the air pressure mechanism. On the one hand, it can effectively remove the cleaning water adhering to the metal ore, and on the other hand, it can also remove the splashed metal ore during the separation process. Blow into the tank.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional structure schematic diagram of the unloading device of the present invention;

Fig. 3 is the top view structure schematic diagram of Fig. 2;

Fig. 4 is a partial enlarged structural schematic diagram at A in Fig. 2;

Figure 5 is a schematic diagram of a partially enlarged structure at B in Figure 2;

Figure 6 is a schematic diagram of a partially enlarged structure at C in Figure 2;

In the figure, the frame 1, the high-frequency alternating magnetic field drum 2, the magnetic drum drive device 3, the magnetic system drive device 4, the separation cavity 5, the rinsing water tank 6, the unloading device 7, the tank box 8, and the discharge port 80 , Mounting Plate 9, Separating Roller 10, Triangular Teeth 101, Rotating Sleeve 11, Drive Motor 12, Material Guide Plate 13, Support Rod 14, Adjusting Plate 15, Bolt 16, Vibration Mechanism 17, Support Frame 171, Guide Sleeve 172 , push rod 173, sliding tooth 1730, turret 174, drive shaft 175, rotating shaft 1751, drive gear 1752, rotating motor 176, wind pressure mechanism 18, air guide duct 181, positioning block 182, induced draft fan 183, nozzle 184, The bronchus 185 , the air duct 186 , the quick-change joint 187 , the fixing plate 19 , the return spring 20 , the sliding rod 21 , the pushing plate 22 , and the limit sliding hole 23 .

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1 to 6, a high-frequency harmonic magnetic field magnetic separator according to the present invention includes a frame 1, and a high-frequency alternating magnetic field drum 2 is rotatably installed on the frame 1. The frame 1 is installed with a rinsing water tank 6 and a sorting cavity 5 located on one side of the high-frequency alternating magnetic field drum 2, wherein the sorting cavity 5 is used for circulating the slurry containing metal ore, so as to allow the high-frequency alternating magnetic field drum 2 During the rotation process, the metal ore in the pulp can be adsorbed, washed with the flushing water in the rinsing water tank 6, and the metal ore can be rotated synchronously after the residual pulp is washed; wherein the high-frequency alternating magnetic field drum 2 includes a rotating installation on the bracket The magnetic cylinder and the magnetic system installed in the magnetic cylinder are rotated, and the magnetic cylinder is driven to rotate by the magnetic cylinder driving device 3 installed on the frame 1, and the magnetic system is driven by the magnetic system driving device 4 installed on the frame 1. Driven to rotate, the magnetic cylinder and the magnetic system rotate in the opposite direction. Using the asynchronous rotation between the magnetic cylinder and the magnetic system, a high-frequency harmonic magnetic field is formed on the surface of the magnetic cylinder, so that the adsorbed metal ores form a discrete state and are more separated. It is precisely because the distribution of the metal ore in a discrete state increases the difficulty of separating the metal ore from the high-frequency alternating magnetic field drum 2, and the separation using the existing technology cannot be completely and cleanly, resulting in excessive residues. Accumulation for a long time is likely to cause a rotation obstacle on the high-frequency alternating magnetic field drum 2 .

In order to solve the above-mentioned problems and improve the unloading efficiency, an unloading device 7 located on the other side of the high-frequency alternating magnetic field drum 2 is installed on the frame 1. The unloading device 7 includes a tank box 8 fixed on the frame 1, The side of the tank box 8 close to the high-frequency alternating magnetic field drum 2 is an opening, and an inclined mounting plate 9 is fixed on the edge of the top plate on the opening side of the tank box 8, through which the separated and splashed metal ore can be removed. It bounces into the tank box 8, and the opening on the tank box 8 allows the high-frequency alternating magnetic field drum 2 to rotate through the tank box 8. The separating roller 10, one end of the separating roller 10 is connected with the rotating sleeve 11 fixed on the frame 1, and the other end of the separating roller 10 is connected with the driving motor 12 fixed on the frame 1; using the driving motor 12 drives the separation roller 10 to rotate, and is opposite to the rotation direction of the high-frequency alternating magnetic field drum 2, so that the metal ore adsorbed on the high-frequency alternating magnetic field drum 2 is effectively separated by the separation roller 10. The pressure of the shaft 10 on the metal ore is provided with a number of triangular teeth 101 evenly arranged on the circumferential surface of the separation roller 10. The small contact point area of the triangular teeth 101 is used to form a large pressure, so that the metal ore can be removed. The effect of detachment is better, and the triangular teeth 101 have a certain cutting effect, and can further squeeze and cut the firmly adhered metal ore.

A material guide plate 13 located below the separation roller 10 is fixedly fixed in the tank box 8, and the cross section of the material guide plate 13 is in an oblique "L" shape structure; wherein a plurality of spaced arrays are fixed on the inclined plate of the material guide plate 13. The upper end of the support rod 14 is fixed with an adjustment plate 15, the adjustment plate 15 is locked on the top plate of the tank box 8 by the bolt 16, and the tightness of the adjustment bolt 16 adjusts the adjustment plate 15. The swing of the guide plate 13 in the tank box 8 can be adjusted, so that the metal ore thrown on the guide plate 13 can be moved down to the bottom of the tank box 8 for collection; at the same time, in order to improve the metal ore on the guide plate 13 The downward moving speed can avoid the situation that the metal ore is pushed to the high-frequency alternating magnetic field drum 2 by the separation roller 10 after the accumulation height is too high on the guide plate 13. Vibration mechanism 17 below.

The vibration mechanism 17 includes a support frame 171 fixed on the bottom plate of the tank box 8. The cross section of the support frame 171 is in a "ㄇ" shape; There are a plurality of guide sleeves 172, the central axis of the guide sleeve 172 is perpendicular to the inclined plate of the material guide plate 13; Rod 173, a sliding tooth 1730 is provided on the position where the push rod 173 goes up into the support frame 171; The drive shaft 175 is mounted on the turret 174 with a rotating motor 176 connected to the drive shaft 175. When the rotating motor 176 runs, the drive shaft 175 rotates to push the push rod 173, so that the push rod 173 can hit the guide rod 173. On the inclined plate of the material plate 13, the generated vibration enables the metal ore on the inclined plate of the material guide plate 13 to move down at an accelerated rate. In order to allow the plurality of push rods 173 to form a reciprocating impact when the inclined plate of the material guide plate 13 is struck, the drive shaft 175 includes a rotating shaft 1751 and a drive gear 1752 mounted on the rotating shaft 1751 at intervals. The meshing teeth are distributed at intervals, and the distribution angle of the meshing teeth on the adjacent driving gears 1752 is greater than 60°, so that when the driving shaft 175 rotates, the plurality of driving gears 1752 are regularly pushed the push rods 173 at the corresponding positions to form The state of intermittently and continuously tapping the guide plate 13 .

In order to facilitate the quick reset of the push rod 173 after the engaging teeth on the driving gear 1752 are disengaged from the push rod 173, a fixed plate 19 perpendicular to the push rod 173 is fixed between the support frame 171 and the bottom plate of the tank box 8. The fixed plate A return spring 20 is connected between the 19 and the push rod 173, and the push rod 173 is quickly reset by the action of the return spring 20, waiting for the next time it is driven by the driving gear 1752 and pushed to hit the guide plate 13 again.

A plurality of air pressure mechanisms 18 for blowing materials are installed on the top plate of the tank box 8 to supply air to the contact position between the high-frequency alternating magnetic field drum 2 and the separation roller 10 . The air guide tube 181 on the top plate and the positioning block 182 fixed on the mounting plate 9, the air guide tube 181 is installed with an induced draft fan 183; the positioning block 182 is installed with a plurality of nozzles 184 arranged at intervals, a plurality of nozzles 184 They are all communicated through a branch bronchus 185, and an air guide duct 186 is communicated between the branch bronchus 185 and the air guide tube 181, and the outside air is collected in the air guide tube 181 by the induced draft fan 183 and then transported to the branch through the air guide tube 186. After the trachea, the flow is divided, and the nozzle 184 is used to blow the air to the separation roller 10. On the one hand, the metal ore in the separation process can be blown dry, so as to prevent the wet metal ore from sticking on the guide plate 13. At the same time, It is also possible to blow into the tank box 8 the splash metal ore produced by the separation roller 10 and the high-frequency alternating magnetic field roller 2 by pressing and separating.

In order to facilitate quick replacement or disassembly and cleaning of the nozzle 184, a quick-change joint 187 for easy disassembly is provided at the inlet of the nozzle 184, which can be quickly inserted into the trachea and has a good sealing effect. The quick-change joint 187 adopts the existing silicone joint, Durable and well sealed.

A discharge port 80 for discharging is provided at the bottom of the back plate of the tank box 8, which is convenient for discharging the collected metal ore from the tank box 8. It can also be quickly discharged. A sliding rod 21 is slidably arranged between the two side plates of the tank box 8. The sliding rod 21 is only fixed with a pusher plate 22 that slides with the bottom plate of the tank box 8; the tank box 8 Limiting sliding holes 23 for limiting the movement of the limiting sliding rod 21 are provided on the two side plates of the metal ore.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", etc. are based on the orientations or positional relationships shown in the accompanying drawings, only In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the referred device or element must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as a limitation of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; of course, it can also be a mechanical connection or an electrical connection; in addition, it can also be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication between two components . For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should The technical solutions are modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and all of them should be included in the scope of the claims of the present invention.

Claims (10)

1. A high-frequency harmonic magnetic field magnetic separator, comprising a frame (1), a high-frequency alternating magnetic field drum (2) is rotatably installed on the frame (1), and a A rinsing water tank (6) and a sorting cavity (5) on one side of the high-frequency alternating magnetic field drum (2), the rack (1) is provided with a rinsing water tank (6) on the other side of the high-frequency alternating magnetic field drum (2). The unloading device (7) is characterized in that: the unloading device (7) comprises a tank box (8) fixed on the frame (1), and the tank box (8) is close to the high-frequency alternating magnetic field drum ( 2) One side is an opening, and an inclined mounting plate (9) is fixed on the edge of the top plate on one side of the opening of the tank box (8); a drum for scraping a high-frequency alternating magnetic field is rotatably installed in the tank box (8). (2) A separating roller (10) on the outer wall, one end of the separating roller (10) is connected with a rotating sleeve (11) fixed on the frame (1), and the other end of the separating roller (10) is connected with a rotating sleeve (11) fixed on the frame (1) a drive motor (12) fixed on the frame (1); A material guide plate (13) located below the separating roller (10) is fixedly connected in the tank box (8), and the cross section of the material guide plate (13) is in an oblique “L” shape; wherein the material guide plate (13) A plurality of supporting rods (14) arranged at intervals are fixed on the inclined plate of the the top plate of the tank (8); The tank box (8) is also provided with a vibration mechanism (17) located below the material guide plate (13); a plurality of wind pressure mechanisms (18) for blowing materials are installed on the top plate of the tank box (8). ; A discharge port (80) for discharging is provided at the bottom of the back plate of the tank box (8). 2. A high-frequency harmonic magnetic field magnetic separator according to claim 1, characterized in that: the vibration mechanism (17) comprises a support frame (171) fixed on the bottom plate of the tank box (8), The cross section of the support frame (171) is in a "ㄇ"-shaped structure; a plurality of guide sleeves (172) uniformly arranged along the length direction are fixed on the top plate of the support frame (171). The central axis of 172) is perpendicular to the inclined plate of the material guide plate (13); the guide sleeve (172) is slidably installed with a "T"-shaped push rod (173) for knocking the inclined plate of the material guide plate (13) , a sliding tooth (1730) is provided on the position where the push rod (173) goes into the support frame (171); A drive shaft (175) that meshes with the sliding teeth (1730) is rotatably installed on the upper frame, and a rotating motor (176) connected to the drive shaft (175) is installed on the turret (174). 3. A high-frequency harmonic magnetic field magnetic separator according to claim 2, wherein the drive shaft (175) comprises a rotating shaft (1751) and a drive gear (1752) mounted on the rotating shaft (1751) at intervals ), the meshing teeth on the drive gear (1752) are spaced apart. 4. A high-frequency harmonic magnetic field magnetic separator according to claim 3, wherein a push rod (173) is fixedly connected between the support frame (171) and the bottom plate of the tank (8) The vertical fixing plate (19) is connected with a return spring (20) between the fixing plate (19) and the push rod (173). 5. A high-frequency harmonic magnetic field magnetic separator according to claim 1, wherein the wind pressure mechanism (18) comprises an air guide tube (181) fixedly installed on the top plate of the tank box (8). ) and a positioning block (182) fixed on the mounting plate (9), an induced draft fan (183) is installed on the air guide tube (181); a plurality of nozzles (184) arranged at intervals are installed on the positioning block (182). ), the plurality of nozzles (184) are all communicated through a branch bronchus (185), and an air guide pipe (186) is communicated between the branch bronchus (185) and the air guide tube (181). 6 . The high-frequency harmonic magnetic field magnetic separator according to claim 5 , wherein a quick-change joint ( 187 ) for easy disassembly is provided at the inlet of the nozzle ( 184 ). 7 . 7. A high-frequency harmonic magnetic field magnetic separator according to claim 1, wherein a sliding rod (21) is slidably provided between the two side plates of the tank box (8), and the sliding On the rod (21), only a pusher plate (22) that is slidably matched with the bottom plate of the tank box (8) is fixed; the two side plates of the tank box (8) are provided with a limit for the movement of the limit sliding rod (21). Sliding hole (23). 8 . The high-frequency harmonic magnetic field magnetic separator according to claim 1 , wherein a plurality of triangular teeth ( 101 ) are arranged evenly on the circumferential surface of the separating roller ( 10 ). 9 . 9. A high-frequency harmonic magnetic field magnetic separator according to claim 1, characterized in that: the high-frequency alternating magnetic field drum (2) comprises a magnetic cylinder rotatably installed on the bracket and a magnetic cylinder rotatably installed on the magnetic cylinder magnetic system inside. 10. A high-frequency harmonic magnetic field magnetic separator according to claim 9, characterized in that: the magnetic cylinder is driven to rotate by a magnetic cylinder driving device (3) installed on the frame (1), and the The magnetic system is driven to rotate by a magnetic system driving device (4) installed on the frame (1), and the magnetic cylinder and the magnetic system rotate in opposite directions.

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