CN211770460U

CN211770460U - Magnetic disk for magnetic separation, magnetic disk group and super magnetic separation equipment

Info

Publication number: CN211770460U
Application number: CN201921593238.4U
Authority: CN
Inventors: 倪明亮; 黄光华; 王哲晓; 何林
Original assignee: CSCEC Scimee Sci and Tech Co Ltd
Current assignee: CSCEC Scimee Sci and Tech Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-10-27
Anticipated expiration: 2029-09-24

Abstract

The utility model relates to a magnetic disc, a magnetic disc group and a super magnetic separation device for magnetic separation, which comprises a magnetic disc body provided with a water passing hole and a support frame for supporting the magnetic disc body, wherein the support frame is arranged in the water passing hole and is provided with a plurality of through holes for positioning and/or fixing; the magnetic disk not only can improve the utilization rate of the magnetic disk, but also can change the circulation path of wastewater, so that the circulation path of wastewater is changed from side-in side-out to side-in side-out; in addition, the magnetic disc has various structures, is convenient to install and position, and is more convenient to position and assemble each magnetic disc in actual production and assembly.

Description

Magnetic disk for magnetic separation, magnetic disk group and super magnetic separation equipment

The application claims the application number as: 201811600933.9, title of the invention: the utility model provides a novel super magnetic separator, the application date is: full priority of the invention patent application on 12/26/2018.

Technical Field

The utility model relates to a water treatment facilities technical field, concretely relates to a magnetic disc, magnetic disc group and supermagnetic splitter for magnetic separation.

Background

The magnetic separation utilizes the magnetism of impurity particles in the wastewater to separate, and for non-magnetic or weakly magnetic particles in the water, the particles can have magnetism by utilizing a magnetic inoculation technology, and magnetic suspended solids in the wastewater are separated under the action of an external magnetic field, so that the aim of purifying the water is fulfilled. Compared with conventional methods such as sedimentation and filtration, the magnetic separation method has a series of advantages of large treatment capacity, high efficiency, low energy consumption, simple and compact equipment and the like, and not only has been successfully applied to the purification of blast furnace gas washing water, steelmaking smoke dust purification wastewater, steel rolling wastewater and sintering wastewater, but also has a development prospect in the purification of other industrial wastewater, municipal sewage and crust water.

The supermagnetic separation equipment (or called magnetic separation equipment, magnetic separator, supermagnetic separator) is a waste water treatment equipment made by using the magnetic separation principle, and is extensively used in waste water treatment field, and the magnetic disk is used as the core component of the supermagnetic separation equipment, and is directly related to the waste water treatment effect, however, in the existent supermagnetic separation equipment, the integrated magnetic disk (usually a disk) is usually adopted, and when it is actually used, the magnetic disk with said structure usually has some defects: 1. waste water can only enter from one side of the magnetic disk and leave from the other side of the magnetic disk, and after the outer ring of the magnetic disk is fully adsorbed with magnetic substances, the inner ring of the magnetic disk is difficult to adsorb the magnetic substances again, so that the utilization rate of the magnetic disk is low; 2. when the magnetic disc fully adsorbing the magnetic substances is separated from the water surface, substances with weaker magnetism are easy to be not adsorbed and flow away along with the waste water, and the slag falling phenomenon occurs; 3. when a plurality of magnetic disks are connected in series to form a magnetic disk group, the positioning and the assembly are inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough that exists among the prior art, provide a simple structure, compactness, circulation in the middle of the disc can be followed to waste water, and location, equipment convenient disc.

The utility model adopts the technical proposal that:

a magnetic disk for magnetic separation comprises a magnetic disk body with a water passing hole and a support frame for supporting the magnetic disk body, wherein the support frame is arranged in the water passing hole and is provided with a plurality of through holes for positioning and/or fixing. According to the scheme, the water through holes are formed in the magnetic disk body to change the circulation path of the wastewater, so that the circulation path of the wastewater is changed from the existing side-in side-out to the side-in side-out, namely the wastewater flows from the outer ring to the inner ring of the magnetic disk body and flows out from the water through holes, not only can the utilization rate of the magnetic disk be improved, but also in the process that the wastewater flows from the outer ring to the inner ring of the magnetic disk body, after the magnetic substances (namely magnets) on the outer side of the magnetic disk body are adsorbed and saturated, the wastewater flows out from the water through holes, so that the inner side of the magnetic disk body continues to be adsorbed, and substances with weak magnetism are adsorbed by the magnets on the inner side again when the magnetic disk body full of the magnetic substances is separated from the water surface, so that the problems of slag falling and slag in the prior art; in addition, in this scheme, through set up the support frame in the water hole of crossing, neither can hinder the flow of waste water, be convenient for again install and fix the disk body, especially set up on the support frame and be used for the through-hole of location and/or fixed after, be more convenient for fix a position and assemble each disk in actual production, assembly.

Preferably, the water hole is provided at a central position of the magnetic disk body. The supporting frame is beneficial to the circulation of waste water and the fixation of the magnetic disk body, so that the supporting frame arranged in the water passing hole is more uniformly stressed in the rotation process of the magnetic disk.

Preferably, the disk body has an annular structure. The annular structure can be a circular ring structure or a rectangular ring structure; the disk body with the annular structure has uniform weight distribution along the circumferential direction, is more favorable for supporting the disk body through the support frame, and is simultaneously favorable for more stable rotation of the disk.

Preferably, the support frame comprises a plurality of support bars, two ends of each support bar are respectively connected with the disk body, and the through holes are respectively arranged on the support bars. In the scheme, the support bars are arranged to form through holes so as to position and assemble the magnetic disk.

Furthermore, the support frame further comprises a central support part, two ends of each support bar are respectively connected with the central support part and the disk body, and the through holes are respectively arranged on the support bars and/or the central support part. In this scheme, the support frame both includes a plurality of support bars, includes central support portion again to make the through-hole both can arrange in the support bar, can arrange in central support portion again, can also set up in support bar and central support portion simultaneously, very nimble, the setting of central support portion is favorable to the structure of support frame more stable moreover, and bearing capacity is stronger, is difficult to the unstability.

Preferably, the central support part is of a ring structure, a circular structure, a quadrilateral structure or a triangular structure. The shape of the central supporting part can be determined according to actual requirements, and the central supporting part can also adopt a structure with a hollow middle part, such as an annular structure, and also can adopt a structure without a hollow middle part, such as a circular structure, a quadrilateral structure or a triangular structure.

Furthermore, the through holes are shaft holes arranged in the central supporting part and/or holes which are arranged in the central supporting part and are uniformly distributed along the circumferential direction. To secure the disk by a spindle or a drawbar, respectively.

Preferably, the supporting strips are arranged in a radial shape. Not only is convenient for the arrangement of each supporting bar, but also is beneficial to further enhancing the stability and the bearing capacity of the supporting frame.

A disk pack comprises a plurality of connecting pieces and a plurality of disks, wherein the connecting pieces are used for connecting the disks into a whole in series through holes.

Preferably, the connecting piece is a pull rod or a shaft.

A super magnetic separation device comprises the magnetic disk or the magnetic disk group.

Compared with the prior art, use the utility model provides a pair of a magnetic disk, disk stack and super magnetic separation equipment for magnetic separation has following beneficial effect:

1. the magnetic disk has a simple structure, not only can improve the utilization rate of the magnetic disk, but also can change the circulation path of wastewater, so that the circulation path of the wastewater is changed from side-in and side-out to side-in and middle-out, in the using process, after the magnet outside the magnetic disk is adsorbed and saturated, the magnet inside the magnetic disk continues to adsorb, and when the magnetic disk full of magnetic substances is separated from the water surface, substances with weaker magnetism are adsorbed by the magnet inside again, so that the problems of slag falling and slag leakage in the prior art can be effectively solved, the quality of effluent water can be improved, and the slag content of the effluent water can be reduced;

2. this magnetic disk, the structure is various, and installation, location convenience, is more convenient for fix a position and assemble each magnetic disk in actual production, assembly.

3. This magnetic disk adopts the support frame that sets up in the water passing hole to support the magnetic disk body, neither can hinder the flow of waste water, is favorable to strengthening the stability of structure again, improves bearing capacity, in the in-service use process, is difficult to the unstability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a magnetic disk provided in embodiment 1 of the present invention.

Fig. 2 is a schematic cross-sectional view of a magnetic disk body in a magnetic disk provided in embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of another magnetic disk provided in embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of a magnetic disk provided in embodiment 2 of the present invention.

Fig. 5 is a schematic structural diagram of another magnetic disk provided in embodiment 2 of the present invention.

Fig. 6 is a schematic structural diagram of another magnetic disk provided in embodiment 2 of the present invention.

Fig. 7 is a schematic structural diagram of another magnetic disk provided in embodiment 2 of the present invention.

Description of the drawings

The magnetic disk body 101, the water passing hole 102,

the support frame 201, the support bar 202, the central support part 203 and the through hole 204.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and fig. 2, the present embodiment provides a magnetic disk for magnetic separation, including a magnetic disk body 101 provided with a water through hole 102, and a support frame 201 for supporting the magnetic disk body 101, where a magnetic substance (in the present embodiment, the magnetic substance is a magnet, which will not be described later) is arranged in the magnetic disk body 101, the support frame 201 is arranged in the water through hole 102, and the support frame 201 is provided with a plurality of through holes 204 for positioning and/or fixing the magnetic disk, that is, the through holes 204 may be used for mounting and fixing the magnetic disk, and may also be used for positioning between adjacent magnetic disks. In this embodiment, the water through hole 102 is provided in the magnetic disk body 101 to change the flow path of the waste water from the conventional side-in side-out to the side-in center-out, that is, the waste water flows from the outer periphery to the inner periphery of the disk body 101 and is discharged from the water through holes 102, not only the utilization rate of the disk can be improved, in addition, in the process of wastewater flowing from the outer ring to the inner ring of the disk body 101, when the magnetic substance (i.e., the magnet) on the outer side of the disk body 101 is saturated, since the waste water is discharged from the water through holes 102, the inner side of the disk body 101 continues to be attracted, and when the disk body 101 fully attracted with the magnetic substance is separated from the water surface, the substance with weaker magnetism is attracted again by the magnet on the inner side, therefore, the problems of slag falling and slag leakage in the prior art can be effectively solved, the quality of effluent water is improved, and the slag content of the effluent water is reduced;

in addition, in the present embodiment, by providing the support frame 201 in the water through hole 102, it is not possible to prevent the flow of waste water, and it is convenient to mount and fix the disk body 101, and particularly, after providing the through hole 204 for positioning and/or fixing on the support frame 201, it is more convenient to position and assemble each disk in actual production and assembly.

In the present solution, the water through hole 102 has various shapes, structures and arrangement positions, and in a preferred scheme, the water through hole 102 is disposed at the center position of the disk body 101, which is not only beneficial to the circulation of wastewater, but also beneficial to the fixation of the disk body 101, so that the support frame 201 disposed in the water through hole 102 is stressed more uniformly in the rotation process of the disk; the shape of the water through hole 102 is not limited in this embodiment, for example, the shape of the water through hole 102 may be a common shape such as a circle, a rectangle, a triangle, etc., and the water through hole 102 only needs to realize the circulation of the waste water.

For example, as shown in fig. 1, in a preferred embodiment provided by this embodiment, the disk body 101 may preferably adopt a ring structure; the disk body 101 with the annular structure has uniform weight distribution along the circumferential direction, and is more favorable for supporting the disk body 101 through the support frame 201, and meanwhile, the rotation of the disk is more stable.

In a preferred embodiment, the supporting frame 201 includes a plurality of supporting bars 202, two ends of each supporting bar 202 are respectively connected to the disk body 101, and the through holes 204 are respectively disposed on the supporting bars 202; in this embodiment, the support bars 202 are arranged to provide through holes 204 (further, the through holes 204 are co-circular) for positioning and assembling the disk.

Those skilled in the art can understand that there are many support bars 202 and their arrangement manners, which may be determined according to actual requirements, for example, as shown in fig. 1, two support bars 202 are disposed in the magnetic disk, two through holes 204 for positioning and/or fixing are respectively disposed on the two support bars 202, and four through holes 204 are in a same circle (i.e., four through holes 204 may be on the same circle, and the center of the circle is located on the central axis of the magnetic disk body 101), the two support bars 202 may intersect with each other as shown in fig. 1, or may not intersect with each other as shown in fig. 3, and the arrangement manners of the rest number of support bars 202 and the support bars 202 are not illustrated one by one.

Example 2

The main difference between this embodiment 2 and the above embodiment 1 is that, in the magnetic disk provided in this embodiment, the supporting frame 201 further includes a central supporting portion 203, two ends of each supporting bar 202 are respectively connected to the central supporting portion 203 and the magnetic disk body 101, and the through holes 204 are respectively disposed on the supporting bars 202 and/or the central supporting portion 203. In this embodiment, the supporting frame 201 includes a plurality of supporting bars 202 and a central supporting portion 203, so that the through holes 204 can be disposed on the supporting bars 202 and the central supporting portion 203, and can be disposed on the supporting bars 202 and the central supporting portion 203 at the same time, so that the structure of the magnetic disk is more various; in addition, the arrangement of the central supporting portion 203 is beneficial to the structure of the supporting frame 201 to be more stable, the bearing capacity to be stronger and the instability to be less prone to happening.

The central support 203 has various structures and shapes, and preferably, the central support 203 can have a ring structure, a circular structure, a quadrilateral structure, a triangular structure, or the like; the shape of the central support portion 203 may be determined according to actual requirements, the central support portion 203 may also adopt a structure with a hollow-out middle portion, such as an annular structure, which may be an annular structure, as shown in fig. 4, at this time, the through hole 204 for positioning and/or fixing the disk may be a central hole of the annular structure (i.e., the present support frame 201 may only include one through hole 204, the through hole 204 is disposed in the center of the central support portion 203 and is used for connecting a shaft, when positioning and assembling, a shaft passes through the central hole to realize series connection of a plurality of disks), that is, a shaft hole, as shown in fig. 4, or may be uniformly disposed in the hole of the central support portion 203 along the circumferential direction (the circumferential direction of the disk) (when positioning and assembling, a plurality of pull rods respectively pass through the corresponding through holes 204 to realize series connection of a plurality of disks), as shown in fig, may also be arranged on a support bar 202 connected to the central support 203; in addition, the ring structure may also be a rectangular ring structure, etc., which are not illustrated one by one here;

the central supporting portion 203 may also be a non-hollow structure, such as a circular structure, a quadrilateral structure, or a triangular structure. For example, as shown in fig. 6, the central support portion 203 is a circular structure, each support bar 202 is connected to the central support portion 203 of the circular structure, and a plurality of through holes 204 for positioning and/or fixing are provided on the central support portion 203, and it can be understood by those skilled in the art that the through holes 204 may also be arranged on the support bars 202, as shown in fig. 7, in this case, the central support portion 203 only serves the purpose of enhancing structural stability and bearing capacity; the center support 203 of the remaining structure is not illustrated here.

It is understood that the central support 203 includes, but is not limited to, the above-mentioned structure, which is not described herein again.

Preferably, the support bars 202 are radially arranged, as shown in fig. 4-7, to facilitate the arrangement of the support bars 202 and further enhance the stability and carrying capacity of the supporting frame 201.

Each support bar 202 may be connected to the central support 203 by welding.

Example 3

This embodiment provides a disk pack, which includes a plurality of connectors and a plurality of disks as described in embodiment 1 or embodiment 2, wherein the connectors are used to connect the disks in series into a whole through the through holes 204 and connect the disks in series into a whole (and two adjacent disks are parallel to each other), so that the disk pack is driven to rotate by the same driving device, so that the disks in the disk pack can rotate synchronously. The magnetic disk set is assembled by a plurality of magnetic disks, so that the installation and the positioning are convenient, the circulating path of wastewater can be effectively changed in the existing magnetic disk set, wastewater can enter from the two sides of the magnetic disk set, the wastewater is discharged from the middle of the magnetic disk set, and the problems of low magnetic disk utilization rate, easy slag falling, slag running and the like in the prior art are effectively solved.

In a preferred embodiment, the connecting element can be a tie rod (round rod) or a shaft. For example, when only one through hole 204 is provided on the supporting frame 201, the through hole 204 is generally provided at the central position of the supporting frame 201, as shown in fig. 4, at this time, the connecting member may adopt a shaft, and is connected with the supporting frame 201 through a key, and the disks in the disk group may be connected in series through the shaft into a whole; when a plurality of holes are formed in the supporting frame 201, as shown in fig. 5, 6 or 7, a pull rod may be disposed in each through hole 204, and the plurality of pull rods are used to connect the disks in series to form a whole.

Example 4

The embodiment provides a supermagnetic separation device, which comprises a plurality of magnetic disks described in embodiment 1 or embodiment 2, or comprises a plurality of magnetic disk packs described in embodiment 3, so that in the supermagnetic separation device, the installation of each magnetic disk is more convenient, and the flow path of wastewater can be effectively changed, so that wastewater can enter from two sides of the magnetic disk packs and be discharged from the middle of the magnetic disk packs, and thus the problems of low magnetic disk utilization rate, easy slag falling, slag running and the like in the prior art are effectively solved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims

1. A magnetic disk for magnetic separation is characterized by comprising a magnetic disk body with a water through hole and a support frame for supporting the magnetic disk body, wherein the support frame is arranged in the water through hole.

2. The magnetic disk for magnetic separation as claimed in claim 1, wherein the water through hole is provided at a central position of the magnetic disk body.

3. The magnetic disk for magnetic separation according to claim 1, wherein the magnetic disk body is a ring-shaped structure.

4. A magnetic disk for magnetic separation according to any of claims 1 to 3, wherein the supporting frame is provided with a plurality of through holes for positioning and/or fixing.

5. The magnetic disc of claim 4, wherein the support frame comprises a plurality of support bars, two ends of each support bar are respectively connected to the magnetic disc body, and the through holes are respectively formed in the support bars.

6. The magnetic disc of claim 5, wherein the support frame further comprises a central support portion, two ends of each support bar are respectively connected to the central support portion and the magnetic disc body, and the through holes are disposed on the support bars and/or the central support portion.

7. The magnetic disk for magnetic separation according to claim 6, wherein the through holes are axial holes provided in the central support portion and/or holes provided in the central support portion and uniformly distributed in a circumferential direction.

8. The disc for magnetic separation of claim 6 wherein the support bars are disposed radially between the central support portion and the disc body.

9. A disk stack comprising a plurality of magnetic disks for magnetic separation according to any of claims 4 to 7 and a plurality of connecting members, wherein the connecting members connect the magnetic disks in series to form a whole through the through holes, and the connecting members are tie rods and/or shafts.

10. A super magnetic separation apparatus comprising a magnetic disk for magnetic separation according to any one of claims 1 to 8 or a magnetic disk stack according to claim 9.