CN116328935A - Elutriation magnetic separator - Google Patents

Abstract

The invention provides an elutriating magnetic separator, which comprises: a sorting cylinder, a separation device, a feeding device, a discharging device and a water supply device; wherein, the feeding device is arranged on the sorting drum for Convey the pulp into the sorting drum; the separation device is installed in the sorting drum to separate the mineral materials and impurities in the pulp; the water supply device is installed in the sorting drum, and the water supply device has a first water supply space and a second water supply space. The water supply space is close to the bottom of the sorting cylinder, which is used to inject water into the sorting cylinder and make the water flow rotate; the second water supply space is used to provide supplementary water to the sorting cylinder; the discharge device is arranged on the top of the sorting cylinder and is connected with the The interior of the sorting cylinder is connected to discharge the impurities overflowing to the top of the sorting cylinder; the bottom of the sorting cylinder is provided with a discharge port. The invention can realize uniform water supply and water supply at different positions in the sorting cylinder, improves the sorting function of the water flow, effectively exerts the function of the water supply, and further improves the sorting precision and sorting effect.

Description

Elutriation Magnetic Separator

technical field

The invention relates to the technical field of mineral processing, in particular to an elutriation magnetic separator.

Background technique

At present, the equipment used in the magnetite beneficiation plant includes: magnetic separator, desliming tank, magnetic separation column, and elutriation machine. Among them, the magnetic separator is a permanent magnet product. The working principle is to use the magnetic force to absorb the magnetic material. However, the separated concentrate is often accompanied by magnetic inclusions, which affects the grade of the concentrate. The desilting tank is a permanent magnet product. The working principle is to use the combined action of material gravity, rising water buoyancy and magnetic field force to sort. The effect has a greater impact. Both the magnetic separation column and the elutriation machine are electromagnetic products, and their working principle is that the sorting cylinder is filled with recoil water flowing from bottom to top, and the ore slurry is fed into the middle and upper part of the sorting cylinder, and the concentrate particles agglomerate and sink under the action of the magnetic field , the tailings overflow and rush out from the top of the sorting cylinder. This type of equipment can effectively extract the concentrate and improve the grade of the concentrate. However, when injecting water into the sorting cylinder, there is only one water outlet position and it is placed at the bottom of the sorting cylinder, which cannot achieve uniform water supply and easily affects the sorting effect.

Contents of the invention

In view of this, the present invention proposes an elutriation magnetic separator, which aims to solve the problem in the prior art that there is only one water outlet position in equipment such as magnetic separation columns and elutriation machines, which easily affects the separation effect.

The present invention proposes an elutriation magnetic separator, which comprises: a sorting cylinder, a separation device, a feeding device, a discharging device and a water supply device; wherein, the feeding device is arranged on the sorting cylinder, It is used to transport the pulp into the sorting cylinder; the separation device is arranged in the sorting cylinder to separate the mineral material and impurities in the pulp; the water supply device is arranged in the sorting cylinder, and the water supply device has a first water supply space and a second water supply space, the second A water supply space is close to the bottom of the sorting cylinder, which is used to inject water into the sorting cylinder and make the water flow rotate; the second water supply space is used to provide additional water to the sorting cylinder; the discharge device is arranged on the top of the sorting cylinder and It communicates with the inside of the sorting cylinder and is used to discharge the impurities overflowing to the top of the sorting cylinder; the bottom of the sorting cylinder is provided with a discharge port.

Further, in the above elutriation magnetic separator, the water supply device includes: a water supply cylinder, a bracket, a partition, a water supply mechanism and a plurality of water distribution mechanisms; wherein, the water supply cylinder is arranged in the sorting cylinder through the bracket; In the water supply cylinder, the inside of the water supply cylinder is divided into the first water supply space and the second water supply space; the water supply mechanism is connected with the first water supply space and the second water supply space; There are multiple water outlet holes; each water distribution mechanism is arranged at intervals on the outer wall of the water supply cylinder corresponding to the first water supply space, and each water distribution mechanism is used to rotate and transport the water flow into the sorting cylinder.

Further, in the above elutriation magnetic separator, each water distribution mechanism includes: a water distribution pipe; wherein, the first end of the water distribution pipe is connected to the outer wall of the water supply cylinder corresponding to the first water supply space, and the second end of the water distribution pipe is connected to On the inner wall of the sorting cylinder, and the water distribution pipe communicates with the first water supply space, and a water delivery hole is opened on the side wall of the water distribution pipe.

Further, in the above-mentioned elutriating magnetic separator, each water dividing mechanism also includes: a deflector and a baffle; wherein, the deflector is arranged on the side wall of the water diversion pipe and placed under the water delivery hole, and the deflector The plate is arranged horizontally, and the baffle is arranged vertically at the end of the deflector near the inner wall of the sorting cylinder.

Further, in the above elutriation magnetic separator, the water supply mechanism includes: a first water supply pipe and a second water supply pipe; wherein, the first end of the first water supply pipe is placed outside the sorting drum, and the second end of the first water supply pipe It communicates with the first water supply space; the first end of the second water supply pipe is placed outside the sorting cylinder, and the second end of the second water supply pipe communicates with the second water supply space.

Further, the above elutriation magnetic separator also includes: a fixing mechanism and a positioning mechanism; wherein, the discharge device includes: an overflow outer cylinder and an overflow inner cylinder; the overflow inner cylinder is connected to the top of the sorting cylinder, and, The interior of the overflow inner cylinder is connected with the interior of the sorting cylinder, and the overflow outer cylinder is sleeved on the outside of the overflow inner cylinder; the feeding device includes: a feeding cylinder and a conveying cylinder with openings at both ends placed in the sorting cylinder. Material barrel; part or all of the feeding barrel is placed outside the overflow outer barrel and connected to the overflow outer barrel through a fixing mechanism, and the feeding barrel is connected to the first end of the feeding barrel; the positioning mechanism is arranged on the feeding barrel the second end to position the delivery cylinder.

Further, in the above elutriation magnetic separator, the fixing mechanism includes: a circular mounting plate, a plurality of supporting plates and a plurality of bottom plates; wherein, the top of the overflow outer cylinder is open, and the mounting plate is set on the overflow The top of the outer cylinder; each supporting plate is arranged at intervals on the outer wall of the feeding cylinder placed outside the overflow outer cylinder, and each bottom plate is arranged on the bottom of each supporting plate in one-to-one correspondence; each bottom plate is detachably connected with the mounting plate .

Further, in the above elutriation magnetic separator, each bottom plate is provided with connection holes, and the installation plate is provided with a plurality of installation holes at intervals along the circumferential direction; the connection holes and the installation holes are connected by bolts.

Further, in the elutriation magnetic separator above, the connection hole is in the shape of a strip, and the length direction of the connection hole is consistent with the length direction of the bottom plate; and/or, the installation hole is in an arc shape.

Further, in the above-mentioned elutriation magnetic separator, the positioning mechanism includes: a diversion cone and a plurality of connecting pieces; wherein, the diversion cone is arranged at the second end of the feeding cylinder through each connecting piece, and each connecting piece Arranged at intervals along the circumference of the diversion cone, the cone tip of the diversion cone faces the inside of the feeding barrel, the straight end of the diversion cone is a closed end and a positioning hole is opened, and the diversion cone is used to guide the slurry Flow; the top of the water supply cylinder is tapered and inserted into the positioning hole.

Further, in the above elutriation magnetic separator, the outer wall of the connection between the overflow inner cylinder and the sorting cylinder is provided with reinforcing ribs.

In the present invention, the feeding device transports the pulp into the sorting cylinder, and the separating device sorts the mineral material and impurities in the pulp, and the sorted impurities can overflow to the top of the sorting cylinder and be discharged through the discharge device. The water supply device injects water into the separation cylinder to provide water flow for the separation of pulp. The first water supply space and the second water supply space are two independent spaces. The first water supply space is close to the bottom of the separation cylinder and makes the water flow in the separation cylinder. Rotating, the rotating water flow can drive the pulp to move to ensure the effective separation of impurities and mineral materials. The second water supply space is placed on the upper part of the first water supply space and provides additional water to the sorting cylinder, which can make up for the water supply at the bottom of the sorting cylinder. Insufficient, so that the upper part of the sorting cylinder has sufficient rising water flow, which improves the efficiency and effect of sorting. The water supply device can realize uniform water supply and water supply at different positions in the sorting cylinder, which improves the sorting effect of the water flow and effectively exerts The function of water supply is improved, and the separation accuracy and separation effect are improved, and the problem that there is only one water outlet position in the magnetic separation column, elutriation machine and other equipment in the prior art is easy to affect the separation effect.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating a preferred embodiment and are not to be considered as limiting the invention. Also throughout the drawings, the same reference numerals are used to designate the same components. In the attached picture:

Fig. 1 is the structural representation of the elutriation magnetic separator that the embodiment of the present invention provides;

Fig. 2 is the top structural schematic diagram of the elutriation magnetic separator provided by the embodiment of the present invention;

Fig. 3 is the structural representation at A-A place in Fig. 1;

Fig. 4 is the structural representation at B-B place in Fig. 1;

Fig. 5 is a schematic bottom view of the diversion cone in the elutriation magnetic separator provided by the embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

Referring to Fig. 1 to Fig. 5, the preferred structure of the elutriation magnetic separator in this embodiment is shown in the figure. As shown in the figure, the elutriation magnetic separator includes: a sorting drum 1 , a separation device 2 , a feeding device 3 , a discharging device 4 and a water supply device 5 . Wherein, the top of the sorting cylinder 1 (the upper part shown in Figure 1) is in an open state, and the bottom of the sorting cylinder 1 (the lower part shown in Figure 1) is conical, that is, the sorting cylinder 1 has a tapered bottom, The conical bottom of the sorting drum 1 is provided with a discharge opening.

The feeding device 3 is arranged on the sorting drum 1 , and the feeding device 3 is used to transport the pulp into the sorting drum 1 . Specifically, the top (top shown in Fig. 1) of feeding device 3 is placed on the outside of sorting drum 1, and feeding device 3 is perforated on the top of sorting drum 1, and the bottom of feeding device 3 (shown in Fig. The lower part shown in 1) is placed inside the sorting drum 1, and the bottom of the feeding device 3 is open, and the feeding device 3 receives the pulp and transports the pulp to the inside of the sorting drum 1. The ore slurry includes: useful magnetic particles and impurities such as gangue and poor intergrowth. Among them, the useful magnetic particles settle down and are discharged from the discharge port to form a concentrate; the impurities are washed up and overflowed to form tailings.

The separation device 2 is arranged on the sorting cylinder 1, and is used for sorting mineral materials and impurities in the pulp. Specifically, the separating device 2 includes: a magnetic field generating device 21 and a housing 22 . The magnetic field generating device 21 is arranged on the outer wall of the sorting cylinder 1 , and the casing 22 is wrapped around the outside of the magnetic field generating device 21 . The shell 22 is used to protect the magnetic field generator 21, and the magnetic field generator 21 is used to generate or induce a magnetic field in the sorting cylinder 1, and provide a magnetic field environment for the inside of the sorting cylinder 1, so as to facilitate the separation of magnetic particles in the pulp. During specific implementation, the magnetic field generating device 21 may be an electromagnetic device or a permanent magnet device, as long as it is a device capable of generating a magnetic field. This embodiment does not impose any limitation on the specific structure of the magnetic field generating device 21 .

The water supply device 5 is arranged on the sorting cylinder 1, and the water supply device 5 has a first water supply space 6 and a second water supply space 7 which are independent of each other. The second water supply space 7 and the first water supply space 6 are in the height direction of the sorting cylinder 1. Set up and down, the first water supply space 6 is placed below, that is, the first water supply space 6 is closer to the bottom of the sorting drum 1 than the second water supply space 7, and correspondingly, the second water supply space 7 is placed above, that is, closer to the separation Select the top of cylinder 1. Wherein, the height direction of the sorting cylinder 1 is the direction from top to bottom as shown in FIG. 1 . The first water supply space 6 is used for injecting water into the sorting drum 1 and rotating the water flow to ensure the effective separation of impurities and mineral materials. The second water supply space 7 is used to provide supplementary water into the sorting cylinder 1, which can make up for the shortage of water supply at the bottom of the sorting cylinder 1, so that the upper part of the sorting cylinder 1 has a preset amount of rising water. Wherein, the preset amount may be determined according to actual conditions, and this embodiment does not impose any limitation on this.

The discharge device 4 is arranged on the top of the sorting cylinder 1 , and the discharge device 4 communicates with the inside of the sorting cylinder 1 , and the discharge device 4 is used to discharge the impurities overflowing to the top of the sorting cylinder 1 .

During specific implementation, the elutriating magnetic separator is equipped with a control cabinet and a control system, which are used to automatically regulate and monitor the operating status of the elutriating magnetic separator, so that the elutriating magnetic separator can be operated automatically and unattended.

During specific implementation, a concentrate valve 13 can be provided at the discharge port at the bottom of the sorting cylinder 1, and the opening size of the concentrate valve 13 can be automatically controlled by the control cabinet, thereby controlling the speed and concentration of the concentrate discharge, and regulating the cleaning process. The operating status of the magnetic separator.

It can be seen that in this embodiment, the feeding device 3 transports the pulp into the sorting cylinder 1, and the separating device 2 sorts the mineral material and impurities in the pulp, and the sorted impurities can overflow into the sorting cylinder 1 and discharged through the discharge device 4, the water supply device 5 injects water into the sorting cylinder 1 to provide water flow for the separation of the pulp, the first water supply space 6 and the second water supply space 7 are two independent spaces, the first water supply space 6 close to the bottom of the sorting cylinder 1 and make the water flow rotate in the sorting cylinder 1, the rotating water flow can drive the pulp to move, ensuring the effective separation of impurities and mineral materials, the second water supply space 7 is placed on the upper part of the first water supply space 6 And provide supplementary water in the sorting cylinder 1, can make up for the deficiency of water supply at the bottom of the sorting cylinder 1, make the upper part of the sorting cylinder have enough rising water flow, improve the sorting efficiency and effect, and the water supply device 5 can realize uniform The water supply and the water supply at different positions in the sorting cylinder 1 improve the sorting effect of the water flow, effectively play the role of the water supply, and then improve the sorting accuracy and sorting effect, and solve the problem of magnetic separation columns, washing and cleaning in the prior art. There is only one water outlet position in washing machines and other equipment, which easily affects the sorting effect.

Referring to FIG. 1 , FIG. 3 and FIG. 4 , in the above embodiment, the water supply device 5 includes: a water supply cylinder 51 , a bracket 52 , a partition 53 , a water supply mechanism 54 and a plurality of water distribution mechanisms. Wherein, both ends of the water supply cylinder 51 are closed ends, and the interior of the water supply cylinder 51 is hollow. The water supply cylinder 51 is arranged in the sorting cylinder 1 through the bracket 52 . Specifically, the water supply cylinder 51 is suspended inside the sorting cylinder 1, and the vertical centerline of the water supply cylinder 51 is aligned with the vertical centerline of the sorting cylinder 1, that is, the water supply cylinder 51 and the sorting cylinder 1 are arranged coaxially. . The outer wall of the water supply cylinder 51 is connected with the inner wall of the sorting cylinder 1 through brackets 52 , there may be multiple brackets 52 , and each bracket 52 may be evenly and spaced along the circumferential direction of the water supply cylinder 51 .

During specific implementation, the bracket 52 may be a support plate, a support rod or a support rod, as long as it can play a supporting role, and this embodiment does not impose any limitation on this.

The partition 53 is arranged horizontally in the water supply cylinder 51 , specifically, the partition 53 divides the inner space of the water supply cylinder 51 into upper and lower two, namely the first water supply space 6 and the second water supply space 7 . The first water supply space 6 is placed below the partition 53 and close to the bottom of the sorting cylinder 1 , and the second water supply space 7 is placed above the partition 53 and close to the top of the sorting cylinder 1 .

The water supply mechanism 54 communicates with the first water supply space 6 and the second water supply space 7 respectively, and the water supply mechanism 54 supplies water to the first water supply space 6 and the second water supply space 7 respectively.

The water supply cylinder 51 is provided with a plurality of water outlet holes 511 corresponding to the cylinder wall of the second water supply space 7, and each water outlet hole 511 is arranged near the top (upper part shown in Figure 1) of the water supply cylinder 51, and each water outlet hole 511 is arranged along the water supply cylinder. The circumferential direction of 51 is uniform and arranged at intervals. Supplementary water is provided into the sorting cylinder 1 through each water outlet hole 511 , and the direction of the supplementary water output into the sorting cylinder 1 is to diverge from the center to the surroundings, that is, to flow along the radial direction of the water supply cylinder 51 . During specific implementation, each water outlet hole 511 can be a long hole, a round hole or a slit, as long as it can deliver additional water, and the shape of the water outlet hole 511 is not limited in this embodiment.

Each water distribution mechanism is arranged on the outer wall of the water supply cylinder 51 corresponding to the first water supply space 6, and each water distribution mechanism is uniformly and spaced along the circumferential direction of the water supply cylinder 51, and each water distribution mechanism is used to rotate and transport the water flow. to the sorting cylinder 1.

Each water distribution mechanism may include: a water distribution pipe 55 . Wherein, the first end of the water distribution pipe 55 is connected to the outer wall of the water supply cylinder 51 corresponding to the first water supply space 6, and the second end of the water distribution pipe 55 is connected to the inner wall of the sorting cylinder 1, so the water distribution pipe 55 can carry out the water supply to the water supply cylinder 51. support. Moreover, the water distribution pipe 55 communicates with the first water supply space 6 , and a water delivery hole 551 is opened on a side wall of the water distribution pipe 55 . Specifically, the water supply cylinder 51 is provided with a through hole corresponding to the water distribution pipe 55, both ends of the water distribution pipe 55 are open ends, the first end of the water distribution pipe 55 is connected to the through hole of the water supply cylinder 51, and the water distribution pipe 55 communicates with the first water supply space 6 through a through hole, and the second end of the water distribution pipe 55 is connected with the inner wall of the sorting cylinder 1, and then the inner wall of the sorting cylinder 1 seals the second end of the water distribution pipe 55, and the first The water flow in the water supply space 6 is sent to the water distribution pipe 55 through the through hole, and then sent to the sorting cylinder 1 through the water delivery hole 551 . The water delivery hole 551 can output the water flow tangentially along the circumference of the sorting cylinder 1, so as to facilitate the generation of rotating water flow in the sorting cylinder 1, and then facilitate the magnetic agglomeration formed by the magnetic particles formed by the water flow cutting the pulp in the magnetic field, and play a role The role of breaking up the magnetic agglomeration releases the impurities wrapped inside the agglomeration, improving the purity of the concentrate.

During specific implementation, the pipe wall of the water distribution pipe 55 includes: the pipe wall towards the top of the sorting cylinder 1, the pipe wall towards the bottom of the sorting cylinder 1, and two side walls in the middle part, these two side walls are respectively located on both sides , and each of the two side walls in the middle part is provided with a water delivery hole 551 . In practice, there may be at least one water delivery hole 551 on each side wall, and the number of water delivery holes 551 may be determined according to actual conditions, which is not limited in this embodiment.

Preferably, each water dividing mechanism further includes: a deflector 56 and a baffle 57 . Wherein, the deflector 56 is arranged on the side wall of the water distribution pipe 55, and the deflector 56 is placed under the water delivery hole 551, the deflector 56 is horizontally arranged, and the baffle 57 is vertically arranged on the deflector 56 close to The end of the sorting cylinder 1 inner wall, that is to say, the baffle plate 57 is perpendicular to the deflector 56, and the baffle plate 57 is placed on the end of the deflector 56 near the sorting cylinder 1 inner wall, then the baffle plate 57 and the deflector 56 are perpendicular to each other. The deflector 56 is formed in an L shape. The deflector 56 is vertically connected to the side wall of the middle part of the water distribution pipe 55 , and the deflector 56 is placed directly below the water delivery hole 551 . The deflector 56 is used to guide the direction of the water flow output by the water delivery hole 551 , and the deflector 56 can prevent the direction of the water flow ejected from the water delivery hole 551 from facing downwards so as to directly flush the pulp into the bottom of the sorting cylinder 1 . Because the water flow direction in the water distribution pipe 55 is originally along the radial direction of the sorting cylinder 1, there will be a radial component in the flow velocity when the water is sprayed from the water delivery hole 551. Spray tangentially around the circumference.

During specific implementation, since the water distribution pipe 55 is arranged along the radial direction of the separation cylinder 1, the water flow in the water distribution pipe 55 is also along the radial direction. The flow direction is not strictly tangential, but oblique to the radial direction, resulting in impure tangential water flow and affecting the control accuracy of rotation and rising strength. Simultaneously, due to the effect of gravity, the water flows downward after flowing out from the water delivery hole 551 , and the direction of the water flow finally sprayed from the water delivery hole 551 is obliquely downward. For this reason, a deflector 56 and a baffle 57 are added at the water delivery hole 551. The baffle 57 can block the water flow along the radial direction and restrict the water flow to a tangential flow. The nearby water flow velocity is constrained in the horizontal direction, so that more accurate tangential water flow can be obtained at the water delivery hole 551, and the control is more accurate.

During concrete implementation, the quantity of deflector 56 is identical with the quantity of water delivery hole 551, and each deflector 56 corresponds to each water delivery hole 551 one by one, and deflector 56 is placed directly below water delivery hole 551, Correspondingly, a baffle 57 is vertically provided at the end of each deflector 56 close to the inner wall of the sorting cylinder 1 .

It can be seen that in this embodiment, the first water supply space 6 outputs rotating water flow from the bottom of the water supply cylinder 51, which can effectively drive the slurry to move, ensure the effective separation of impurities and mineral materials, and can drive impurities into the overflow. The barrel 42 moves and overflows. The second water supply space 7 outputs additional water from the upper part of the water supply cylinder 51, which can make up for the lack of water supply at the bottom of the sorting cylinder 1, resulting in insufficient upward movement of impurities, and can also play a role in diluting the pulp when the concentration of the pulp is too thick. function, improving the sorting effect. Moreover, the first water supply space 6 and the second water supply space 7 respectively feed water at different heights in the sorting cylinder 1, and the lower part of the sorting cylinder 1 adopts tangential water flow to generate rotating water in the sorting cylinder 1, and the sorting cylinder 1 The upper part of the separator outputs non-rotating supplementary water into the sorting cylinder 1 through the water outlet hole 511. In this way, the two water flows match each other, which can adjust the rotation speed and the rising water flow rate, so as to realize the effect of precise water control. The first water supply space 6 and the second water supply space 7 are independent spaces, which realize the independent adjustment of the rotating water flow and the rising water flow, and can carry out different matching adjustments for different material properties.

Referring to FIG. 1 , in the above embodiment, the water supply mechanism 54 includes: a first water supply pipe 541 and a second water supply pipe 542 . Wherein, the first end of the first water supply pipe 541 is placed outside the sorting drum 1 , and the second end of the first water supply pipe 541 communicates with the first water supply space 6 . Specifically, the first water supply pipe 541 passes through the bottom of the sorting cylinder 1 and the water supply cylinder 51 in sequence, and the second end of the first water supply pipe 541 is placed in the first water supply space 6 .

The first end of the second water supply pipe 542 is placed outside the sorting drum 1 , and the second end of the second water supply pipe 542 communicates with the second water supply space 7 . Specifically, the second water supply pipe 542 passes through the sorting cylinder 1 , the bottom of the water supply cylinder 51 and the partition plate 53 in sequence, and the second end of the second water supply pipe 542 is placed in the second water supply space 7 .

During specific implementation, the water supply mechanism 54 may further include: a water supply pipe 543 . Wherein, the water supply pipe 543 is horizontally arranged at the bottom of the sorting cylinder 1, both ends of the water supply pipe 543 are placed outside the sorting cylinder 1, and the middle part of the water supply pipe 543 is placed inside the sorting cylinder 1. The inside of the water supply pipe 543 is horizontally provided with a water dividing plate 544, and the water dividing plate 544 divides the water supply pipe 543 into left and right parts, namely the first part and the second part. One part is connected, and the first end of the second water supply pipe 542 is connected with the second part of the water supply pipe 543, so that the water flow is delivered to the first water supply pipe 541 through the first part of the water supply pipe 543, and then delivered to the first water supply space 6; the water flow is sent to the second water supply pipe 542 through the second part of the water supply pipe 543, and then sent to the second water supply space 7, so that the water flow in the first water supply space 6 and the water flow in the second water supply space 7 are delivered are independent of each other and do not affect each other.

It can be seen that in this embodiment, the first water supply pipe 541 supplies water to the first water supply space 6, and the second water supply pipe 542 supplies water to the second water supply space 7, ensuring that the first water supply space 6 and the second water supply space 7's independent water supply.

Referring to FIG. 1 to FIG. 2 , in each of the above embodiments, the discharge device 4 includes: an overflow outer cylinder 41 and an overflow inner cylinder 42 . Wherein, the top of the sorting cylinder 11 is open, and both ends of the overflow inner cylinder 42 are open ends. The bottom of the overflow inner cylinder 42 is conical, and the bottom of the overflow inner cylinder 42 is connected to the top of the sorting cylinder 1 , and the inside of the overflow inner cylinder 42 communicates with the inside of the sorting cylinder 1 . Preferably, the outer wall of the connection between the overflow inner cylinder 42 and the sorting cylinder 1 is provided with reinforcing ribs 12 to improve the connection strength between the overflow inner cylinder 42 and the sorting cylinder 1 . More preferably, there are multiple reinforcing ribs 12, and each reinforcing rib 12 is evenly distributed along the circumferential direction.

The overflow outer cylinder 41 is sheathed outside the overflow inner cylinder 42 , and there is a preset distance between the overflow outer cylinder 41 and the overflow inner cylinder 42 . Specifically, the top of the overflow outer cylinder 41 (the upper part shown in FIG. 1 ) corresponds to the top of the overflow inner cylinder 42 (the upper part shown in FIG. 1 ), and the top of the overflow outer cylinder 41 corresponds to the overflow inner cylinder 42. There is a certain gap between the top of the overflow outer cylinder 41 and the outer wall of the overflow inner cylinder 42, and a certain gap is formed between the overflow outer cylinder 41 and the overflow inner cylinder 42. overflow space. The inner bottom wall of the overflow outer cylinder 41 is inclined from one side to the other side (from left to right as shown in FIG. 1 ) and has a preset slope, and the position of the first side is higher than that of the second side, then The second side sits lower. On the side wall of the overflow outer cylinder 41 and corresponding to the lowest part of the inner bottom wall, an overflow port 411 is opened, that is, the overflow port 411 is opened on the side wall of the overflow outer cylinder 41 and corresponds to the second side, and the overflow Port 411 is used to discharge the overflow impurities.

The elutriating magnetic separator may also include: a fixing mechanism and a positioning mechanism 8 .

The feeding device 3 includes: a feeding barrel 31 and a feeding barrel 32 . Wherein, a part or all of the feeding cylinder 31 is placed outside the overflow outer cylinder 41, and the part of the feeding cylinder 31 placed outside the overflow outer cylinder 41 is connected with the overflow outer cylinder 41 through a fixing mechanism. 31 is connected with the first end (the upper end shown in FIG. 1 ) of the delivery cylinder 32 . The feeding tube 32 is placed in the sorting tube 1, specifically, since the sorting tube 1 communicates with the overflow inner tube 42, part of the feeding tube 32 is placed in the overflow inner tube 42 and partly placed in the sorting tube within 1. Both ends of the feeding barrel 32 are open ends, and the feeding barrel 32 is used to receive the ore slurry conveyed by the feeding barrel 31 , and then transport the ore slurry into the sorting barrel 1 .

The positioning mechanism 8 is arranged on the second end (the lower end shown in FIG. 1 ) of the feeding tube 32 , and the positioning mechanism 8 is used for positioning the feeding tube 32 .

During specific implementation, the side wall of the feeding barrel 31 is provided with a feeding pipe 33. Preferably, the feeding pipe 33 is arranged tangentially along the feeding barrel 31, so that the ore slurry can enter the feeding barrel 31 along the tangential direction and be fed The inner rotation of the barrel 31 can ensure that the ore slurry is more evenly output when the second end of the feeding barrel 32 is output, which plays the role of uniform distribution.

It can be seen that in this embodiment, the feeding cylinder 31 and the overflow outer cylinder 41 are relatively connected and fixed by the fixing mechanism to ensure that the feeding cylinder 31 is fixed after installation, and the positioning structure starts from the second side of the feeding cylinder 32. Position the feeding tube 32 at the end to prevent the moving of the feeding tube 32, thereby effectively preventing the vibration of the elutriation magnetic separator during use and the impact of the pulp from making the feeding tube 31 unstable and causing eccentricity, so as to ensure the smoothness of transporting the pulp. stability and uniformity.

Referring to FIG. 1 and FIG. 2 , in the above embodiment, the fixing mechanism may include: a mounting plate 9 , a plurality of support plates 10 and a plurality of bottom plates 11 . Wherein, the top of the overflow outer cylinder 41 is open, and the installation plate 9 is in the shape of a ring, and the installation plate 9 is arranged on the top of the overflow outer cylinder 41. Specifically, the outer wall of the installation plate 9 and the overflow outer cylinder 41 The inner walls of the top are connected.

Each supporting plate 10 is arranged on the outer wall of the feeding barrel 31 placed outside the overflow outer barrel 41 , and each supporting plate 10 is uniformly and spaced along the circumferential direction of the feeding barrel 31 on the outer wall of the feeding barrel 31 . Specifically, the number of support plates 10 is at least three, and each support plate 10 is used to support the feeding cylinder 31 . Preferably, the support plate 10 and the feeding barrel 31 are detachably connected, more preferably bolted. In this way, during transportation, the support plate 10 can be disassembled, which saves space, reduces the transportation cost, and is convenient for installation.

The number of base plates 11 is the same as the number of support plates 10 , and each base plate 11 corresponds to each support plate 10 one by one, and each base plate 11 is disposed on the bottom of a corresponding support plate 10 . Specifically, each supporting plate 10 is arranged vertically, and each bottom plate 11 is arranged horizontally, so the bottom plate 11 is perpendicular to the supporting plate 10 .

Each bottom plate 11 is detachably connected with the mounting plate 9 . Preferably, each bottom plate 11 is provided with connection holes 111 , and the mounting plate 9 is provided with a plurality of mounting holes 91 at intervals along the circumferential direction. Preferably, the mounting holes 91 are uniformly and spaced on the mounting plate 9 . The connection hole 111 is connected to the installation hole 91 by bolts. Specifically, the number of mounting holes 91 may be greater than the number of connecting holes 111 , so that the bottom plate 11 can be selected to correspond to the appropriate mounting holes 91 and connected by bolts.

Preferably, the connection hole 111 is elongated, and the length direction of the connection hole 111 is consistent with the length direction of the bottom plate 11 . Specifically, the bottom plate 11 extends outward from the side wall of the feeding barrel 31 , and the length direction of the bottom plate 11 is perpendicular to the side wall of the feeding barrel 31 . The connection hole 111 is set in a long strip shape, and the position of the feed cylinder 31 can be fine-tuned when errors occur in processing or installation.

Preferably, the mounting hole 91 is arc-shaped, so that when the feeding cylinder 31 is rotated, the connecting hole 111 and the mounting hole 91 at a suitable position can be easily fixed by bolts.

Preferably, the connection hole 111 is elongated, and the length direction of the connection hole 111 is consistent with the length direction of the bottom plate 11; and/or, the installation hole 91 is arc-shaped.

It can be seen that in this embodiment, the fixing mechanism has a simple structure and is easy to implement.

Referring to FIG. 1 , FIG. 4 and FIG. 5 , in the above embodiment, the positioning mechanism 8 includes: a diversion cone 81 and a plurality of connecting pieces 82 . Wherein, the diversion cone 81 is arranged on the second end of the feeding barrel 32 through each connecting piece 82 . Specifically, the first end of each connecting piece 82 is connected to the outer wall of the diversion cone 81 , and the second end of each connecting piece 82 is connected to the second end of the delivery cylinder 32 . More specifically, the second end of each connecting piece 82 is connected to the inner wall of the second end of the feeding tube 32 , and each connecting piece 82 is placed inside the second end of the feeding tube 32 . The connecting pieces 82 are arranged at intervals along the circumference of the diversion cone 81 , preferably evenly distributed. Like this, the ore slurry in the delivery cylinder 32 can flow out from the gap between the two connecting pieces 82, and in the process of the outflow of the ore slurry, the ore slurry can flow along the outer wall of the diversion cone 81, so that the diversion cone 81 has played a role of The function of guiding the flow of the slurry, and the inclined conical slope can also avoid the accumulation of the slurry.

The cone tip (the upper end shown in Figure 1) of the diversion cone 81 is a closed end and towards the inside of the feeding cylinder 32, and the straight end (the lower end shown in Figure 1) of the diversion cone 81 is also a closed end, Moreover, a positioning hole 811 is defined at the straight end of the diversion cone 81 . The top of the water supply cylinder 51 is conical, and the top of the water supply cylinder 51 is inserted into the positioning hole 811 . Specifically, the positioning hole 811 can be a circular hole, and the aperture of the positioning hole 811 should ensure that the water supply cylinder 51 is partially placed inside the tapered cylinder. This embodiment does not impose any restrictions on the value of the aperture of the positioning hole 811.

It can be seen that in this embodiment, the diversion cone 81 is connected to the second end of the feeding cylinder 32 through a plurality of spaced connecting pieces 82, which not only can fix the diversion cone 81, but also adjacent The gap between the two connecting pieces 82 can ensure that the slurry is transported into the sorting cylinder 1, and at the same time, the diversion cone 81 can play a role in guiding the flow direction of the slurry, so that the slurry flows downward along the conical slope, and at the same time guides The shape of the conical body 81 can avoid the accumulation of ore slurry, and avoid the accumulation of ore slurry on the top of the diversion cone 81 . The top of the water supply cylinder 51 is inserted in the positioning hole 811 of the straight end of the diversion cone 81, then the water supply cylinder 51 is relatively fixed with the diversion cone 81, that is, the water supply cylinder 51 is relatively fixed with the material delivery cylinder 32, which plays a role in The role of the feeding tube 32 for positioning avoids shaking, tilting, shifting, etc. of the feeding tube 32 and the feeding tube 31 .

In summary, in this embodiment, the first water supply space 6 and the second water supply space 7 of the water supply device 5 are two independent spaces, and the first water supply space 6 is close to the bottom of the sorting cylinder 1 and makes the water flow in the sorting cylinder 1 The rotating water flow can drive the pulp to move to ensure the effective separation of impurities and mineral materials. The second water supply space 7 is placed on the upper part of the first water supply space 6 and provides supplementary water to the separation cylinder 1, which can make up for the separation of the separation cylinder. 1 Insufficient water supply at the bottom makes the upper part of the sorting cylinder have sufficient rising water flow, which improves the efficiency and effect of sorting. The water supply device 5 can realize uniform water supply and water supply at different positions in the sorting cylinder 1, which improves the water flow. The separation function effectively plays the role of water supply, thereby improving the separation accuracy and separation effect. The elutriation magnetic separator has high working stability, simple operation, easy implementation, and can achieve high efficiency and large scale.

It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is only for convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In addition, it should be noted that, in the description of the present invention, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a It is a detachable connection or an integral connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (10)

1. A elutriation magnetic separator, comprising: a sorting cylinder (1), a separation device (2), a feeding device (3), a discharging device (4) and a water supply device (5); wherein,,

the feeding device (3) is arranged in the separation cylinder (1) and is used for conveying ore pulp into the separation cylinder (1);

the separation device (2) is arranged on the separation cylinder (1) and is used for separating mineral aggregate and impurities in the ore pulp;

the water supply device (5) is arranged on the separation barrel (1), the water supply device (5) is provided with a first water supply space (6) and a second water supply space (7), and the first water supply space (6) is close to the bottom of the separation barrel (1) and is used for injecting water into the separation barrel (1) and rotating the water flow; the second water supply space (7) is used for supplying additional water into the separation barrel (1);

the discharging device (4) is arranged at the top of the sorting cylinder (1) and is communicated with the inside of the sorting cylinder (1) and is used for discharging impurities overflowing to the top of the sorting cylinder (1);

a discharge hole is formed in the bottom of the sorting barrel (1).

2. Elutriation magnetic separator according to claim 1, characterized in that the water feed device (5) comprises: a water supply cylinder (51), a bracket (52), a baffle plate (53), a water supply mechanism (54) and a plurality of water diversion mechanisms; wherein,,

the water supply cylinder (51) is arranged in the separation cylinder (1) through the bracket (52);

the partition plate (53) is transversely arranged in the water supply cylinder (51) so as to divide the interior of the water supply cylinder (51) into the first water supply space (6) and the second water supply space (7);

the water supply mechanism (54) is communicated with the first water supply space (6) and the second water supply space (7);

the water supply cylinder (51) is provided with a plurality of water outlet holes (511) corresponding to the cylinder wall of the second water supply space (7);

the water dividing mechanisms are arranged on the outer wall of the water supply cylinder (51) corresponding to the first water supply space (6) at intervals, and each water dividing mechanism is used for enabling water flow to be rotationally conveyed into the separation cylinder (1).

3. The magnetic panning separator of claim 2 wherein each of said water splitting mechanisms comprises: a water diversion pipe (55); wherein,,

the first end of the water diversion pipe (55) is connected to the outer wall of the water supply cylinder (51) corresponding to the first water supply space (6), the second end of the water diversion pipe (55) is connected to the inner wall of the separation cylinder (1), the water diversion pipe (55) is communicated with the first water supply space (6), and a water delivery hole (551) is formed in the side wall of the water diversion pipe (55).

4. The panning magnetic separator of claim 3 wherein each of said water splitting mechanisms further comprises: a deflector (56) and a baffle (57); wherein,,

the guide plate (56) is arranged on the side wall of the water diversion pipe (55) and below the water delivery hole (551), the guide plate (56) is horizontally arranged, and the baffle (57) is vertically arranged at the end part of the guide plate (56) close to the inner wall of the separation barrel (1).

5. The panning magnetic separator according to claim 2, wherein the water supply mechanism (54) comprises: a first water supply pipe (541) and a second water supply pipe (542); wherein,,

a first end of the first water supply pipe (541) is arranged outside the sorting cylinder (1), and a second end of the first water supply pipe (541) is communicated with the first water supply space (6);

the first end of the second water supply pipe (542) is arranged outside the sorting cylinder (1), and the second end of the second water supply pipe (542) is communicated with the second water supply space (7).

6. The panning magnetic separator as set forth in claim 2 further comprising: a fixing mechanism and a positioning mechanism (8); wherein,,

the discharging device (4) comprises: an overflow outer cylinder (41) and an overflow inner cylinder (42); the overflow inner cylinder (42) is connected with the top of the separation cylinder (1), the inside of the overflow inner cylinder (42) is communicated with the inside of the separation cylinder (1), and the overflow outer cylinder (41) is sleeved outside the overflow inner cylinder (42);

the feeding device (3) comprises: a feeding cylinder (31) and a material conveying cylinder (32) which is arranged in the sorting cylinder (1) and is provided with two open ends; part or all of the feeding barrel (31) is arranged outside the overflow outer barrel (41) and is connected with the overflow outer barrel (41) through the fixing mechanism, and the feeding barrel (31) is connected with the first end of the feeding barrel (32);

the positioning mechanism (8) is arranged at the second end of the material conveying cylinder (32) so as to position the material conveying cylinder (32).

7. The panning magnetic separator of claim 6 wherein the fixing mechanism comprises: a circular mounting plate (9), a plurality of support plates (10) and a plurality of bottom plates (11); wherein,,

the top of the overflow outer cylinder (41) is provided with an opening, and the mounting plate (9) is arranged at the top of the overflow outer cylinder (41);

each supporting plate (10) is arranged on the outer wall of the feeding barrel (31) outside the overflow outer barrel (41) at intervals, and each bottom plate (11) is arranged at the bottom of each supporting plate (10) in a one-to-one correspondence manner;

each base plate (11) is detachably connected with the mounting plate (9).

8. The panning magnetic separator of claim 7 wherein,

each bottom plate (11) is provided with a connecting hole (111), and the mounting plates (9) are provided with a plurality of mounting holes (91) at intervals along the circumferential direction;

the connecting hole (111) is connected with the mounting hole (91) through a bolt.

9. The panning magnetic separator of claim 8 wherein,

the connecting hole (111) is in a strip shape, and the length direction of the connecting hole (111) is consistent with the length direction of the bottom plate (11); and/or the mounting hole (91) is arc-shaped.

10. Elutriation magnetic separator according to claim 6, wherein the positioning mechanism (8) comprises: a diversion cone (81) and a plurality of connectors (82); wherein,,

the guide cone bodies (81) are arranged at the second end of the material conveying cylinder (32) through the connecting pieces (82), the connecting pieces (82) are arranged at intervals along the circumferential direction of the guide cone bodies (81), the cone tips of the guide cone bodies (81) face the inside of the material conveying cylinder (32), the straight ends of the guide cone bodies (81) are closed ends and are provided with positioning holes, and the guide cone bodies (81) are used for guiding ore pulp to flow;

the top of the water supply cylinder (51) is conical and is inserted into the positioning hole.

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