CN214210891U - Full-automatic magnetic suspension classificator - Google Patents

Abstract

The application provides a full-automatic magnetic suspension fine separator, which comprises an ore feeder, an ore separating device, a water supply device, an overflow trough, a sorting cylinder and a magnetic system; the ore feeder coaxially extends into the sorting cylinder, the lower end of the ore feeder is communicated with the ore separation device, and a plurality of ore pulp channels communicated to the sorting cylinder are arranged on the ore separation device; the water supply device is coaxially arranged in the grading cylinder and is arranged at the lower end of the ore separation device; the overflow groove is coaxially sleeved above the grading cylinder and is obliquely arranged, and the bottom end of the overflow groove is used for discharging tailings; the magnetic system is coaxially arranged on the peripheral wall surface of the grading cylinder. The full-automatic magnetic suspension classificator has solved the water supply that equipment exists is inhomogeneous, the tailing overflow is inhomogeneous, the tailing easily runs black scheduling problem for efficiency promotes, and equipment operation is stable, is difficult for running the tail etc. has advantages such as equipment high efficiency is selected separately, job stabilization and control convenience.

Description

Full-automatic magnetic suspension classificator

Technical Field

The utility model belongs to the technical field of the magnetic gravity ore dressing, concretely relates to magnetic suspension preparator suitable for carry out magnetic mineral and select separately under magnetic field and the combined action of gravity field in the water environment.

Background

The full-automatic magnetic suspension concentration machine is an electromagnetic low-weak magnetic field high-efficiency magnetic gravity mineral separation equipment. The magnetic separation device is used for fully separating the medium and poor intergrowth and monomer gangue mixed in the product produced by the conventional magnetic separation equipment, and can be used for finely separating low-grade magnetic separation concentrate to produce high-grade iron concentrate.

The conventional magnetic separation equipment in the mineral separation industry is mainly divided into permanent magnetic separation equipment and electromagnetic magnetic separation equipment. The electromagnetic magnetic separation equipment mainly comprises a magnetic separation column, an elutriation machine and the like. The magnetic separation column has the working principle that the selected ore pulp enters the middle upper part of the magnetic separation column from the ore feeding hopper through the ore feeding pipe, and the magnetic ore particles, particularly the monomer magnetite particles, are subjected to agglomeration and dispersion alternately under the action of the magnetic field force from top to bottom. And the upward water flow is cut from bottom to top, so that the monomer gangue and the medium-poor intergrowth which are mixed with the gangue and the medium-poor intergrowth are discharged from the magnetic particles, and are driven by the upward water flow to finally overflow from the upper part of the cylinder to form tailings.

The magnetite particles, including the monomeric magnetite particles and the enriched intergrowths, are discharged from the lower part to become concentrate under the action of relatively strong continuous downward magnetic force against the action of the ascending water flow. But the equipment has the problems of uneven water supply, uneven tailing overflow, easy tailing blacking and the like due to the influence of factors such as ore supply, water supply and the like.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a full-automatic magnetic suspension preparator to solve the unstable problem of operation such as the feedwater is inhomogeneous, the tailing overflow is inhomogeneous and the tailing easily runs black that exists among the prior art.

The application provides a full-automatic magnetic suspension fine separator, which comprises an ore feeder, an ore separating device, a water supply device, an overflow trough, a sorting cylinder and a magnetic system;

the ore feeder coaxially extends into the sorting cylinder, the lower end of the ore feeder is communicated with the ore separation device, and a plurality of ore pulp channels communicated to the sorting cylinder are arranged on the ore separation device;

the water supply device is coaxially arranged in the grading cylinder and is arranged at the lower end of the ore separation device;

the overflow groove is coaxially sleeved above the grading cylinder and is obliquely arranged, and the bottom end of the overflow groove is used for discharging tailings;

the magnetic system is coaxially arranged on the peripheral wall surface of the grading cylinder.

Further, a feeding pipe communicated with the feeder is arranged tangentially of the feeder and used for providing ore pulp and enabling the ore pulp to rotate downwards in the feeder.

Further, the ore separation device includes:

the upper ring plate is communicated with the lower end of the ore feeder;

the lower ring plate is arranged below the upper ring plate in parallel;

and the connecting plates are circumferentially arranged between the upper ring plate and the lower ring plate, and the ore pulp channel is formed between every two adjacent connecting plates.

Further, the water supply device includes:

the water supply pipe coaxially penetrates through the ore feeder and the ore separation device, and a water supply valve is arranged at the upper end of the water supply pipe.

And the flow guide device is arranged at the lower end of the water supply pipe and is used for discharging water.

Further, the water supply device also comprises a water cavity;

the water cavity is communicated with the lower end of the water supply pipe, and the flow guide device is arranged at a water outlet of the water cavity.

Furthermore, the water supply pipes are arranged in a plurality and are coaxially nested, and each water supply pipe is correspondingly communicated with one water cavity and the flow guide device.

Further, the flow guide device includes:

the guide plates are uniformly arranged around the circumference, and a water flow channel is formed between every two adjacent guide plates.

Furthermore, a plurality of groups of magnetic systems are arranged on the circumference of the sorting cylinder, and each magnetic system is used for generating a magnetic field;

the magnetic system is sleeved with an outer cover to protect each magnetic system.

Furthermore, the bottom of the grading cylinder is a cone part with a cone structure, and a concentrate valve is arranged at the bottom of the cone part and used for discharging concentrate.

Furthermore, an upper sensor is arranged at the upper end of the grading cylinder;

the cone part is provided with a bottom sensor and a flushing pipe;

the bottom sensor is used for detecting a pulp physical parameter in the conical part;

the flushing pipe is communicated to the interior of the grading cylinder, a flushing valve is arranged on the flushing pipe, and the flushing pipe is used for flushing the interior of the conical part.

The application has the following beneficial effects:

the application provides a full-automatic magnetic suspension classificator has solved the water supply that equipment exists inhomogeneous, the tailing overflow is inhomogeneous, the tailing easily runs black scheduling problem for efficiency promotes, and equipment operation is stable, is difficult for running the tail etc. has advantages such as equipment high efficiency is selected separately, job stabilization and is controld conveniently.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of a simple half-section structure of a full-automatic magnetic suspension concentrator provided according to an embodiment of the present invention;

fig. 2 is a top view of a mineral separation device provided according to an embodiment of the present invention;

fig. 3 is a schematic top view of a flow guiding device according to an embodiment of the present invention;

fig. 4, 5, 6 and 7 are schematic top views of a deflector according to an alternative embodiment of the present invention;

fig. 8 is a schematic three-dimensional structure diagram of a mineral separation device and a water supply device provided according to an embodiment of the present invention.

The system comprises 1-an inner pipe valve, 2-an ore feeder, 3-an upper sensor, 4-an upper ring plate, 5-a connecting plate, 6-a lower ring plate, 7-an upper guide plate, 8-an upper water cavity, 9-a partition plate, 10-a lower guide plate, 11-a lower water cavity, 12-a bottom sensor, 13-a concentrate valve, 14-a flushing pipe, 15-a flushing valve, 16-a bracket, 17-a lower water outlet, 18-an outer cover, 19-a magnetic system, 20-a water supply device, 21-an upper water outlet, 22-a grading cylinder, 23-an inner water supply pipe, 24-an outer water supply pipe, 25-an overflow pipe, 26-an overflow groove, 27-a supporting plate, 28-an ore supply pipe, 29-an outer pipe valve, 30-a water supply pipe and 31-a water flow channel.

Detailed Description

Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.

Referring to fig. 1 to 8, the present application provides a full-automatic magnetic suspension concentrator, which comprises an ore feeder 2, an ore separation device, a water supply device 20, an overflow chute 26, a grading cylinder 22 and a magnetic system 19; the ore feeder 2 coaxially extends into the grading cylinder 22, the upper end of the grading cylinder 22 is connected with the ore feeder 2 through a supporting plate 27 to play a supporting and connecting role between the ore feeder and the grading cylinder, the lower end of the ore feeder 2 is communicated with the ore separating device, and a plurality of ore pulp channels communicated to the grading cylinder 22 are arranged on the ore separating device; the water supply device 20 is coaxially arranged in the sorting cylinder 22, the water supply device 20 is arranged at the lower end of the ore sorting device, and the lower end of the water supply device 20 is connected inside the sorting cylinder 22 through a support 16, so that the ore feeder 2, the ore sorting device and the water supply device 20 can be stably arranged in the sorting cylinder 22; the overflow chute 26 is coaxially sleeved above the grading cylinder 22, the overflow chute 26 is obliquely arranged, and the bottom end of the overflow chute 26 is used for discharging tailings; the magnetic system 19 is coaxially arranged on the peripheral wall surface of the sorting cylinder 22.

In the embodiment, the ore pulp is input into the ore separation device through the ore feeder 2, and is uniformly dispersed into the sorting cylinder 22 by the ore separation device, the water supply device 20 is arranged below the sorting cylinder 22, the water flow provided by the water supply device 20 flows from bottom to top in the sorting cylinder 22, the magnetic system 19 is arranged outside the sorting cylinder 22, and the magnetic system 19 provides a magnetic field environment for the sorting cylinder 22. When the ore pulp enters the grading cylinder 22 from the ore separation device, the magnetic particles in the ore pulp move downwards to the bottom of the grading cylinder 22 under the influence of magnetic force of a magnetic field, water flow impact force and self gravity, and gangue and poor intergrowths in the ore pulp overcome the self gravity, move upwards along with water flow under the action of the water flow impact force, overflow the grading cylinder 22, fall into the overflow groove 26 and are discharged through the overflow pipe on the overflow groove 26 to form tailings.

In the present embodiment, a feeding pipe 28 is provided in the tangential direction of the feeder 2 to connect with it, so as to provide slurry and make the slurry rotate downward in the feeder 2. It will be appreciated that slurry fed tangentially to the feeder 2 will rotate downwardly in the feeder 2 to cause the slurry to enter the classifying cylinder 22 evenly around the circumference and to avoid the phenomenon of slurry pooling in the feeder 2.

Referring to fig. 1, 2 and 8, the ore separating apparatus includes: the upper ring plate 4 is communicated with the lower end of the ore feeder 2; the lower ring plate 6 is arranged below the upper ring plate 4 and can be arranged in parallel or not parallel with the upper ring plate 4 according to design; a plurality of connecting plates 5, a plurality of connecting plates 5 circumference sets up go up the crown plate 4 with between the lower crown plate 6, each is adjacent form between the connecting plate 5 the ore pulp passageway. When the ore pulp falls from the ore feeder 2, the ore pulp is enabled to uniformly disperse to the ore pulp channel formed by the lower ring plate 6 and each connecting plate 5 in combination with the rotation downward movement of the ore pulp in the ore feeder 2, and then the ore pulp is enabled to disperse from each ore pulp channel and fall into the grading cylinder 22. Therefore, the problems of black running and unstable operation caused by nonuniform ore feeding are solved, the separation precision is improved, and the equipment operation is more stable.

In the present embodiment, the water supply device 20 includes: the water supply pipe 30 coaxially penetrates through the ore feeder 2 and the ore separation device, and a water supply valve is arranged at the upper end of the water supply pipe 30; and a guide device provided at a lower end of the water supply pipe 30, the guide device being for discharging water. The water supply pipe 30 penetrates from the upper part of the ore feeder 2, and the water supply pipe 30 is arranged coaxially with the ore feeder 2, namely, a gap between the outer wall surface of the water supply pipe 30 and the ore feeder 2 is a downward channel of ore pulp. A valve is provided at the upper end of the water supply pipe 30 to control the supply of water. The lower end of the feed pipe 30 discharges water through a deflector.

The water supply device also comprises a water cavity; the water cavity is communicated with the lower end of the water supply pipe 30, and the flow guide device is arranged at a water outlet of the water cavity. The water passing through the water supply pipe 30 enters the water chamber first, fills the water chamber and flows into the classifying cylinder 22 through the diversion device.

In an optional embodiment, the number of the water supply pipes 30 is multiple, the water supply pipes 30 are all coaxially nested, and each water supply pipe 30 is correspondingly communicated with one water cavity and the flow guide device. The water chambers are distributed along the axial direction of the water supply pipe 30, and are separated from each other by a partition plate 9.

In this embodiment, the water supply pipes 30 are respectively an inner water supply pipe 23 and an outer water supply pipe 24, the inner water supply pipe 23 is coaxially disposed in the outer water supply pipe 24, the upper end of the outer water supply pipe 24 is a side for water intake, and an outer pipe valve 29 is disposed, the adjustment or opening and closing of the water intake can be controlled by controlling the outer pipe valve 29, the lower end of the outer water supply pipe 24 is communicated with the upper water chamber 8, and is discharged into the sorting cylinder 22 through the water flow channel 31 between each adjacent upper guide plate 7, correspondingly, the upper water chamber 8 corresponds to the upper water outlet 21, and the water flow flows out from the upper water outlet 21. The upper end of the inner water supply pipe 23 is provided with an inner pipe valve 1 to realize the control of water inflow, the lower end of the inner water supply pipe 23 is communicated with the inner lower water cavity 11 and is discharged to the sorting cylinder 22 through the water flow channel 31 between the adjacent lower guide plates 10, correspondingly, the lower water cavity 11 corresponds to the lower water outlet 17, and water flows out from the lower water outlet 17.

In this embodiment, the flow guide device includes: and the peripheries of the guide plates are uniformly arranged on the water outlets of the corresponding water cavities, and a water flow channel 31 is formed between every two adjacent guide plates. The rivers can flow into in the sorting cylinder 22 through the rivers passageway 31 that forms between each adjacent guide plate, consequently, the arrangement structure and the corresponding shape of each guide plate that set up can control out the angle and the speed of water for rivers can be abundant impact ore pulp, guarantee that magnetic mineral substance granule can separate with the tailing.

The baffles provided may be provided in a variety of forms, for example: referring to fig. 3 and 4, the baffles are arranged in a spiral configuration so that the water is rotated into the grading cylinder 22; referring to fig. 5 and 6, each guide plate is a straight plate and is obliquely arranged, and each guide plate in fig. 5 has a shorter length than each guide plate in fig. 6; referring to fig. 7, each guide plate is a straight plate, and each guide plate is vertically disposed; it should be understood that the arrangement of the baffles of the deflector device includes the description of fig. 3 to 7 but is not limited thereto. The arrangement form of each guide plate through setting up can form various different rivers passageways 31, also corresponding difference to the outflow state of rivers, can choose for use according to the in-service use demand.

A plurality of groups of magnetic systems 19 are arranged on the circumference of the sorting cylinder 22, and each magnetic system 19 is used for generating a magnetic field; an outer cover 18 is sleeved outside the magnetic system 19 to protect each magnetic system 19. The magnetic systems 19 are arranged to provide a magnetic field environment for the magnetic particles in the grading cylinder 22, so that the magnetic particles can move towards the lower part of the grading cylinder 22 under the influence of magnetic force of the magnetic field, water flow impact and self gravity.

The bottom of the grading cylinder 22 is a cone part with a cone structure, magnetic particles can be gathered to the cone part to form concentrate, and the cone part is provided with a concentrate valve 13 and is used for discharging the concentrate by opening the concentrate valve 13.

In the present embodiment, the upper end of the sorting cylinder 22 is provided with an upper sensor 3; the cone part is provided with a bottom sensor 12 and a flushing pipe 14; the upper sensor 3 and the bottom sensor 12 are used for detecting the physical parameters of the ore pulp at the corresponding positions, so that the change condition of the ore pulp in the grading cylinder 22 can be rapidly monitored, and the automatic control and adjustment of the operation parameters of the equipment are facilitated. As one skilled in the art will appreciate, the fully automatic magnetic suspension concentration machine of the present application is connected to an automatic control system, and the full field operation of the fully automatic magnetic suspension concentration machine, including water supply, slurry supply, concentrate discharge and the like, can be controlled by the automatic control system, so as to realize the automatic control operation.

The flushing pipe 14 is communicated with the inside of the sorting cylinder 22, a flushing valve 15 is arranged on the flushing pipe 14, and the flushing pipe 14 is used for flushing the inside of the conical part. It will be appreciated that the build-up of magnetic particles in the cone portion is likely to cause signs of blockage or debris entering the cone portion to clog it, unclog through the timely flushing of the flush pipe 14 to prevent equipment clogging from affecting use.

The application provides a full-automatic magnetic suspension classificator has solved the water supply that equipment exists inhomogeneous, the tailing overflow is inhomogeneous, the tailing easily runs black scheduling problem for efficiency promotes, and equipment operation is stable, is difficult for running the tail etc. has advantages such as equipment high efficiency is selected separately, job stabilization and is controld conveniently.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims (10)

1. A full-automatic magnetic suspension classificator is characterized by comprising an ore feeder (2), an ore separating device, a water supply device (20), an overflow trough (26), a grading cylinder (22) and a magnetic system (19);

the ore feeder (2) coaxially extends into the sorting cylinder (22), the lower end of the ore feeder (2) is communicated with the ore separating device, and a plurality of ore pulp channels communicated to the sorting cylinder (22) are arranged on the ore separating device;

the water supply device (20) is coaxially arranged in the sorting cylinder (22), and the water supply device (20) is arranged at the lower end of the ore separation device;

the overflow groove (26) is coaxially sleeved above the grading cylinder (22), the overflow groove (26) is obliquely arranged, and the bottom end of the overflow groove (26) is used for discharging tailings;

the magnetic system (19) is coaxially arranged on the peripheral wall surface of the sorting cylinder (22).

2. The fully automatic magnetic suspension concentrator according to claim 1, characterized in that the feeder (2) is tangentially provided with a feeding pipe (28) connected thereto for supplying and descending a slurry rotating within the feeder (2).

3. The fully automatic magnetic levitation concentrator as recited in claim 1, wherein the ore separation device comprises:

the upper ring plate (4) is communicated with the lower end of the ore feeder (2);

a lower ring plate (6) disposed below the upper ring plate (4);

a plurality of connecting plates (5), a plurality of connecting plates (5) circumference sets up go up crown plate (4) with between lower crown plate (6), each is adjacent form between connecting plate (5) the ore pulp passageway.

4. The fully automatic magnetic levitation concentrator according to claim 1, wherein the water supply device (20) comprises:

the water supply pipe (30) coaxially penetrates through the ore feeder (2) and the ore separation device, and a water supply valve is arranged at the upper end of the water supply pipe (30).

5. The fully automatic magnetic levitation concentrator according to claim 1 or 4, wherein the water supply device (20) comprises:

and the flow guide device is arranged at the lower end of the ore feeder (2) and is used for discharging water.

6. The fully automatic magnetic levitation concentrator according to claim 5, wherein the water supply device (20) further comprises a water chamber;

the water cavity is communicated with the lower end of a water supply pipe (30) of the water supply device (20), and the flow guide device is arranged at a water outlet of the water cavity.

7. The fully-automatic magnetic suspension concentrator as claimed in claim 6, wherein the number of the water supply pipes (30) is multiple, the water supply pipes (30) are all coaxially nested, and each water supply pipe (30) is correspondingly communicated with one water cavity and the flow guide device.

8. The fully automatic magnetic levitation concentrator of claim 5, wherein the flow guide device comprises:

the guide plates are uniformly arranged around the circumference, and a water flow channel (31) is formed between every two adjacent guide plates.

9. The fully automatic magnetic suspension concentrator according to claim 1, wherein a plurality of groups of the magnetic systems (19) are arranged on the circumference of the grading drum (22), and each magnetic system (19) is used for generating or inducing a magnetic field;

an outer cover (18) is sleeved outside the magnetic system (19) to protect each magnetic system (19);

the bottom of the grading cylinder (22) is a cone part with a cone structure, and a concentrate valve (13) is arranged at the bottom end of the cone part and used for discharging concentrate.

10. The fully automatic magnetic levitation concentrator of claim 9,

the upper end of the grading cylinder (22) is provided with an upper sensor (3);

the cone part is provided with a bottom sensor (12) and a flushing pipe (14);

the bottom sensor (12) is used for detecting the physical parameter of the ore pulp in the conical part;

the flushing pipe (14) is communicated with the interior of the grading cylinder (22), a flushing valve (15) is arranged on the flushing pipe (14), and the flushing pipe (14) is used for flushing the interior of the conical part.

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