CN218250818U - Improved permanent magnet ferromagnetic impurity removing and filtering device - Google Patents

Abstract

An improved permanent magnet ferromagnetic impurity removing and filtering device relates to the field of silica powder impurity removing and filtering equipment. Including the vibration unit, the filter unit, and the displacement support, under the drive of vibrator, ferromagnetic impurity adsorption unit and ferromagnetic impurity fully contact in the silica flour filter unit, ferromagnetic impurity is adsorbed by ferromagnetic impurity adsorption unit, filter out, the tiny particle, the silica flour of high mesh number is through the filter unit's at different levels screen cloth, the bottom opening via the filter unit casing is separated out, ferromagnetic impurity adsorption unit includes plastic sheath and permanent magnet stick, take out the permanent magnet stick from the plastic sheath, because plastics do not have magnetic force itself, ferromagnetic impurity who adsorbs on the plastic sheath outer wall drops with regard to automatic, ferromagnetic impurity is got rid of. The device that this embodiment provided not only can utilize the permanent magnet to adsorb out the ferromagnetic impurity in the silicon powder high-efficiently but also can conveniently get rid of the ferromagnetic impurity who is adsorbed out by the permanent magnet.

Description

Improved permanent magnet ferromagnetic impurity removing and filtering device

Technical Field

The utility model relates to a silica flour edulcoration filtration equipment field specifically is a filter equipment is got rid of to improved generation permanent magnetism body ferromagnetic impurity.

Background

The raw material silicon powder for producing the polysilicon ingot is usually doped with ferromagnetic impurities such as metallic iron/cobalt/nickel, and as a basic raw material of a photovoltaic product, the polysilicon ingot needs to be guaranteed at an extremely high purity level, so that before the raw material silicon powder is used for preparing the polysilicon ingot, the ferromagnetic impurities in the raw material silicon powder need to be removed. Although using the permanent magnet can adsorb out the ferromagnetism impurity in the silica flour comparatively conveniently, continuously using the permanent magnet to get rid of the ferromagnetism impurity can lead to the ferromagnetism impurity to adsorb on the surface of permanent magnet in a large number, this will the filterable efficiency of greatly reduced, because the permanent magnet has very strong adsorption affinity to the ferromagnetism impurity in addition, so get rid of the ferromagnetism impurity that adsorbs on the permanent magnet also can be a comparatively loaded down with trivial details process, the production efficiency of equipment has all very big restriction to these above problems.

SUMMERY OF THE UTILITY MODEL

To the problem that exists above, the utility model aims at providing a filter equipment is got rid of to improved generation permanent magnet formula ferromagnetism impurity not only can utilize the permanent magnet to adsorb out the ferromagnetism impurity in the silica flour high-efficiently but also can get rid of the ferromagnetism impurity that is adsorbed out by the permanent magnet conveniently.

The technical scheme for realizing the purpose is as follows: the device comprises a vibration unit, a filtering unit and a displacement support, wherein the vibration unit is connected to the top of the filtering unit and comprises a vibrator support and a vibrator connected to the vibrator support; the bottom of the filtering unit is supported on the spring support hanger through a supporting block, the filtering unit comprises a shell, a plurality of through holes are formed in the left side wall of the shell, a plurality of slots are formed in the right side wall of the shell, a vibrator support is connected with the top of the shell, the bottom of the shell adopts a material receiving bucket type structure with a wide top and a narrow bottom, a plurality of screens are sequentially arranged in the shell from top to bottom, the screens are inserted into the shell from the slots in the right side wall, the right sides of the screens are connected together through a connecting piece, a plurality of groups of ferromagnetic impurity adsorption units are arranged above the screens in the cavity, the ferromagnetic impurity adsorption units penetrate through the through holes and are connected onto the displacement support, the diameter of each ferromagnetic impurity adsorption unit is smaller than that of each through hole, each ferromagnetic impurity adsorption unit comprises a plastic sleeve with a single end opened and a permanent magnet rod, the open end of each plastic sleeve is positioned on the left side of each plastic sleeve, each plastic sleeve is sleeved on each permanent magnet rod, and a flexible cover plate is further arranged on the outer wall of each plastic sleeve and used for sealing the through hole in the left side wall of the shell; the displacement support sets up the left side outside the filter unit, the displacement support includes first displacement platform, first connecting block, the second displacement platform, the second connecting block, and rotatory slip table, rotatory slip table is connected at first displacement bench, the open end of each plastic sheath of ferromagnetism impurity adsorption unit is connected to rotatory slip table via first connecting block, the second displacement platform is connected on rotatory slip table, the second displacement platform is located the left side of first connecting block, the permanent magnet stick is connected to the second displacement bench via the second connecting block.

Furthermore, the mesh number of the screens arranged from top to bottom in the shell gradually increases.

Furthermore, all the groups of ferromagnetic impurity adsorption units arranged above the screen in the cavity are arranged in a staggered mode.

The utility model has the advantages that:

1) The utility model provides a device is through adding the plastic sheath in the outside of permanent magnet stick when make full use of permanent magnet need not the circular telegram just can adsorb this advantage of ferromagnetic impurity, thereby can make ferromagnetic impurity adsorb on the outer wall of plastic sheath, ferromagnetic impurity does not contact with the permanent magnet stick, when needs get rid of adsorbed ferromagnetic impurity, the utility model discloses the device is taken permanent magnet stick and plastic sheath out in the casing of filter unit through the displacement platform, takes the permanent magnet stick out from the plastic sheath again, and ferromagnetic impurity that adsorbs on the plastic sheath outer wall will drop automatically, inserts the permanent magnet stick back from the plastic sheath after that, then just can continue to adsorb ferromagnetic impurity high-efficiently in sending permanent magnet stick and plastic sheath back the casing of filter unit, the utility model discloses the permanent magnet of device need not contact ferromagnetic impurity, consequently does not have the problem that need follow the permanent magnet and get rid of adsorbed ferromagnetic impurity.

2) The utility model discloses a ferromagnetic impurity adsorbs unit has adopted the crisscross arrangement that sets up of multiunit can guarantee ferromagnetic impurity and can have abundant contact rather than before being filtered by the screen cloth at different levels to can improve the adsorption efficiency who adsorbs the unit effectively.

3) The utility model discloses a silica flour is filtered to multistage screen cloth with the mode of vibrator, and multistage screen cloth can filter out silica flour step by step, then will stay silica flour on the screen cloth at different levels through the vibrator further break up the silica flour that forms tiny particle, high mesh number, and this kind of mode has the advantage that filtration efficiency is high, productivity is high.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 isbase:Sub>A view taken along line A-A of FIG. 1;

FIG. 4 is a view taken along line B-B of FIG. 1;

FIG. 5 is an enlarged view of E of FIG. 3;

fig. 6 is a partially enlarged view F of fig. 4.

Detailed Description

The following examples are intended to illustrate the invention in more detail, but not to further limit the invention.

As shown in fig. 1 to 6, the present invention comprises a vibration unit 1, a filter unit 2, and a displacement bracket 3, wherein the vibration unit 1 is connected to the top of the filter unit 2, and the vibration unit 1 comprises a vibrator bracket 11 and a vibrator 12 connected to the vibrator bracket 11.

The bottom of the filter unit 2 is supported on the spring support bracket 4 through a support block 29, the spring support bracket 4 is of a structure disclosed in the prior art, the filter unit 2 comprises a shell 21, the left side wall of the shell is provided with a plurality of through holes 26, the right side wall of the shell is provided with a plurality of slots 27, the vibrator bracket 12 is connected with the top of the shell 21, the bottom of the shell 21 adopts a material receiving bucket type structure with wide top and narrow bottom, a plurality of screens 22 are sequentially arranged in the shell 21 from top to bottom, the mesh number of the screens 22 arranged from top to bottom is gradually increased, the specific numerical value of the mesh number of the screens 22 can be determined according to specific filtering requirements, the screens 22 are inserted into the shell 21 from the slots 27 on the right side wall, the right sides of the screens 22 are connected together through a connecting piece 28, the screens 22 can be pulled out of the shell 21 through the connecting piece 28, so that large-particle silicon powder gathered on each screen 22 in the filtering process can fall to the bottom of the shell 21 and be discharged from an outlet, the top of screen cloth 22 is provided with multiunit ferromagnetic impurity adsorption unit 23 in casing 21, each group ferromagnetic impurity adsorption unit 23 adopts the arrangement mode of crisscross setting, thereby guarantee ferromagnetic impurity can fully contact with ferromagnetic impurity adsorption unit 23, ferromagnetic impurity adsorption unit 23 passes through-hole 26 and connects on displacement support 3, the diameter of ferromagnetic impurity adsorption unit 23 is less than the diameter of through-hole 26, ferromagnetic impurity adsorption unit 23 includes single open-ended plastic sheath 61, and permanent magnet iron rod 62, the open end of plastic sheath 61 is located the left side of plastic sheath 61, plastic sheath 61 overlaps on permanent magnet iron rod 62, still be provided with flexible apron 63 on the outer wall of plastic sheath 61 and be used for sealing the through-hole 26 on the casing 21 body left side wall, flexible apron 63 can be made by flexible materials such as rubber, or silica gel. The displacement support 3 is arranged on the left side outside the filter unit 2, the displacement support 3 comprises a first displacement table 31, a first connecting block 32, a second displacement table 33, a second connecting block 34 and a rotary sliding table 35, the rotary sliding table 35 is connected to the first displacement table 31, the open ends of the plastic sleeves 61 of the ferromagnetic impurity adsorbing unit 23 are connected to the rotary sliding table 35 through the first connecting block 33, the second displacement table 32 is connected to the rotary sliding table 35, the second displacement table 32 is located on the left side of the first connecting block 33, and the permanent magnet rods 62 are connected to the second displacement table 32 through the second connecting block 34.

Silicon powder is added into the filter unit 2 from the uppermost end of the filter unit 2, the silicon powder falls on the screen 22 after fully contacting with the ferromagnetic impurity adsorption units 23 through the ferromagnetic impurity adsorption units 23 arranged in a staggered mode, the vibrator 11 drives the filter unit 2 and the silicon powder in the filter unit 2 to vibrate, the silicon powder further fully contacts with the ferromagnetic impurity adsorption units 23 under the driving of the vibrator 11, ferromagnetic impurities in the silicon powder are adsorbed and filtered out by the ferromagnetic impurity adsorption units 23, large-particle and low-mesh silicon powder is filtered and left on each stage of screen 22, small-particle and high-mesh silicon powder passes through the screen 22 of each stage of filter unit 2 and is separated through the bottom opening of the filter unit shell 21, the silicon powder left in each stage of filter unit 2 is further vibrated and broken into small-particle and high-mesh silicon powder by the vibrator 11, and small-particle and high-mesh silicon powder which meet the filtering and separating conditions of the screen 22 are filtered and separated out.

The ferromagnetic impurities adsorbed on the ferromagnetic impurity adsorbing unit 23 are removed as follows: the first displacement table 31 moves to the left, the plastic sleeve 61 and the permanent magnet rod 62 are drawn out from the shell 21 of the filter unit 2, the rotating sliding table 35 rotates the plastic sleeve 61 and the permanent magnet rod 62 by 90 degrees, so that the fallen ferromagnetic impurities cannot fall on the first displacement table 31, the second displacement table 33 is moved to draw the permanent magnet rod 62 out of the plastic sleeve 61, since the plastic sleeve 61 has no magnetic force, the ferromagnetic impurities adsorbed on the outer wall of the plastic sleeve 61 automatically fall off, the ferromagnetic impurities are fallen off, then the second displacement table 33 is moved to insert the permanent magnet rod 62 back into the plastic sleeve 61, then the rotating sliding table 35 rotates the plastic sleeve 61 and the permanent magnet rod 62 back to the original angle, and finally the first displacement table 31 is moved to remove the permanent magnet rod 62 and the plastic sleeve 61 back into the shell 21 of the filter unit 2 for adsorbing the ferromagnetic impurities.

Claims (3)

1. The utility model provides an improved generation permanent magnetism body ferromagnetism impurity removes filter equipment which characterized in that: the device comprises a vibration unit, a filtering unit and a displacement support, wherein the vibration unit is connected to the top of the filtering unit and comprises a vibrator support and a vibrator connected to the vibrator support; the bottom of the filtering unit is supported on the spring support hanger through a supporting block, the filtering unit comprises a shell, a plurality of through holes are formed in the left side wall of the shell, a plurality of slots are formed in the right side wall of the shell, a vibrator support is connected with the top of the shell, the bottom of the shell adopts a material receiving bucket type structure with a wide top and a narrow bottom, a plurality of screens are sequentially arranged in the shell from top to bottom, the screens are inserted into the shell from the slots in the right side wall, the right sides of the screens are connected together through a connecting piece, a plurality of groups of ferromagnetic impurity adsorption units are arranged above the screens in the cavity, the ferromagnetic impurity adsorption units penetrate through the through holes and are connected onto the displacement support, the diameter of each ferromagnetic impurity adsorption unit is smaller than that of each through hole, each ferromagnetic impurity adsorption unit comprises a plastic sleeve with a single end opened and a permanent magnet rod, the open end of each plastic sleeve is positioned on the left side of each plastic sleeve, each plastic sleeve is sleeved on each permanent magnet rod, and a flexible cover plate is further arranged on the outer wall of each plastic sleeve and used for sealing the through hole in the left side wall of the shell; the displacement support sets up the left side outside the filter unit, the displacement support includes first displacement platform, first connecting block, the second displacement platform, the second connecting block, and rotatory slip table, rotatory slip table is connected at first displacement bench, the open end of each plastic sheath of ferromagnetism impurity adsorption unit is connected to rotatory slip table via first connecting block, the second displacement platform is connected on rotatory slip table, the second displacement platform is located the left side of first connecting block, the permanent magnet stick is connected to the second displacement bench via the second connecting block.

2. An improved permanent magnet ferromagnetic contaminant removal filtration device as defined in claim 1, wherein: the mesh number of the screen meshes arranged from top to bottom in the shell is gradually increased.

3. An improved permanent magnet ferromagnetic contaminant removal filtration device as defined in claim 1, wherein: each group of ferromagnetic impurity adsorption units arranged above the screen in the cavity are arranged in a staggered mode.

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