CN219923270U - Metal rejecting equipment - Google Patents
Metal rejecting equipment Download PDFInfo
- Publication number
- CN219923270U CN219923270U CN202320979249.6U CN202320979249U CN219923270U CN 219923270 U CN219923270 U CN 219923270U CN 202320979249 U CN202320979249 U CN 202320979249U CN 219923270 U CN219923270 U CN 219923270U
- Authority
- CN
- China
- Prior art keywords
- metal
- discharging channel
- discharging
- removing apparatus
- driving mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 title claims abstract description 96
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 96
- 238000007599 discharging Methods 0.000 claims abstract description 65
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 46
- 239000010703 silicon Substances 0.000 claims abstract description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 229910052742 iron Inorganic materials 0.000 claims abstract description 20
- 239000012535 impurity Substances 0.000 claims abstract description 15
- 230000007306 turnover Effects 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 10
- 239000004484 Briquette Substances 0.000 description 4
- 210000000003 hoof Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
Landscapes
- Sorting Of Articles (AREA)
Abstract
The utility model discloses metal removing equipment which comprises a conveying device and a turnover device, wherein two ends of the conveying device are a feeding end and a discharging end respectively, a first discharging channel is arranged below the discharging end, a second discharging channel is arranged below the first discharging channel, and an iron remover is arranged at one end, far away from the discharging end, of the second discharging channel; a metal detector is arranged between the feeding end and the discharging end, the turnover device comprises a rotation driving mechanism, an output end of the rotation driving mechanism is coaxially and fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with the middle part of the first discharging channel, and the rotation driving mechanism and the metal detector are electrically connected with a controller. According to the utility model, the silicon blocks without metal impurities can be discharged from the first discharging channel, and the silicon blocks doped with metal impurities can be discharged from the second discharging channel, so that the silicon blocks and the metal are separated.
Description
Technical Field
The utility model belongs to the technical field of material separation, and particularly relates to metal removing equipment.
Background
Monocrystalline silicon is used as a semiconductor wafer material and is mainly prepared by a preparation method in which crystal nuclei are added to polycrystalline silicon in a molten state. Before single crystal silicon is produced, it is often necessary to break the polysilicon rod into pieces of polysilicon of a certain size.
The broken silicon blocks are doped with metal foreign matters, the purity of the polycrystalline silicon blocks is reduced by the doped metal foreign matters, and then the quality of monocrystalline silicon is affected, so that the metal foreign matters in the silicon blocks are removed by manual removal after breaking. However, because of the small size of part of the metal foreign matters, the risk of incomplete removal exists in manual removal; in addition, the efficiency of manual culling is low.
Disclosure of Invention
The utility model provides metal removing equipment for overcoming the defects in the prior art, and the metal removing equipment can remove metal foreign matters in silicon blocks.
The aim of the utility model is achieved by the following technical scheme:
a metal removing apparatus for removing metal impurities in a silicon block, the metal removing apparatus comprising:
the two ends of the conveying device are respectively a feeding end and a discharging end;
the first discharging channel is arranged below the discharging end;
the second discharging channel is arranged below the first discharging channel, and one end, far away from the discharging end, of the second discharging channel is provided with an iron remover;
the metal detector is arranged between the feeding end and the discharging end;
the turnover device comprises a rotation driving mechanism, the output end of the rotation driving mechanism is coaxially and fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with the middle part of the first discharging channel, and the rotation driving mechanism and the metal detector are electrically connected with a controller.
In one embodiment, the conveyor comprises motor driven driving and driven rollers around which the conveyor belt is wound.
The beneficial effects of adopting above-mentioned technical scheme are: the motor drives the driving roller to rotate, and the driving roller is matched with the driven roller to drive the conveying belt on the driving roller to rotate, so that the conveying of the silicon blocks is realized.
In one embodiment, the conveyor belt is a polyurethane conveyor belt.
The beneficial effects of adopting above-mentioned technical scheme are: the polyurethane conveyer belt is wear-resistant, ageing-resistant and high in hardness, and is not easy to pollute the silicon blocks; in addition, the conveyer belt is made of nonmetal materials, and cannot influence the metal detector.
In one embodiment, the conveyor belt is provided with ribs on both sides.
The beneficial effects of adopting above-mentioned technical scheme are: the flanges are arranged on the two sides of the conveying belt to prevent silicon blocks with smaller sizes from scattering from the two sides of the conveying belt.
In one embodiment, the conveyor is provided with a scraper, which is located above the conveyor belt.
The beneficial effects of adopting above-mentioned technical scheme are: the silicon blocks can be sorted by controlling the distance between the scraping plate and the conveying belt; in addition, the scraping plate can uniformly lay the silicon blocks on the conveying belt, so that the metal detector is prevented from inaccurate detection caused by stacking of the silicon blocks.
In one embodiment, the iron remover is an electromagnetic iron remover.
The beneficial effects of adopting above-mentioned technical scheme are: the electromagnetic iron remover can adsorb metal when being electrified and can break the adsorption effect on the metal when being powered off; therefore, the electromagnetic iron remover is convenient for cleaning the metal after the removal is finished.
In one embodiment, the discharge end is provided with a dust removal port.
The beneficial effects of adopting above-mentioned technical scheme are: the discharge end is provided with a dust removing port so as to avoid larger dust at the discharge end.
In one embodiment, the metal removing apparatus includes a bracket on which the conveying device, the metal detector, the second discharging channel and the rotation driving mechanism are fixedly connected.
The beneficial effects of adopting above-mentioned technical scheme are: the support connects the conveying device, the metal detector, the second discharging channel and the rotation driving mechanism into a whole, and the influence on metal elimination caused by the relative position change among the conveying device, the metal detector, the second discharging channel and the rotation driving mechanism is avoided.
In one embodiment, a hopper is fixedly connected to the support and is located above the feed end.
The beneficial effects of adopting above-mentioned technical scheme are: the silicon briquette falls into the feeding end through the hopper, so that the silicon briquette is prevented from falling out of the conveying device.
In one embodiment, the lower portion of the stand is provided with a moving wheel and a fixed foot shoe.
The beneficial effects of adopting above-mentioned technical scheme are: the lower part of the bracket is provided with a moving wheel, so that the whole metal removing equipment can be moved conveniently; the fixed foot hoofs are arranged at the lower parts of the brackets, so that the metal removing equipment is conveniently fixed on the ground after the moving is finished.
The utility model has the beneficial effects that:
the conveying device conveys the crushed silicon blocks, so that the silicon blocks without metal impurities are discharged from the first discharging channel; the metal detector detects possibly doped metal in the silicon block, and after the first discharging channel is turned over, the silicon block doped with metal impurities is discharged from the second discharging channel, so that the silicon block and the metal are separated; in addition, after the silicon blocks doped with the metal impurities enter the iron remover, the iron remover can adsorb the metal impurities, so that the metal impurities are separated again.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
Wherein:
FIG. 1 shows a schematic structural diagram of one embodiment of the present utility model;
FIG. 2 shows a right side view of FIG. 1;
in the drawings, like parts are designated with like reference numerals. The figures are not to scale.
Reference numerals:
the device comprises a 1-conveying device, a 101-conveying belt, 102-driven rollers, a 2-metal detector, a 3-dust removal port, a 4-first discharging channel, a 5-rotating shaft, a 6-second discharging channel, a 7-bracket, an 8-moving wheel, 9-fixed foot shoes and a 10-hopper.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
The utility model provides metal removing equipment which is used for removing metal impurities in silicon blocks; as shown in fig. 1 and 2, the metal removing apparatus includes:
the conveying device 1 is provided with a feeding end and a discharging end at two ends of the conveying device 1 respectively;
the first discharging channel 4 is arranged below the discharging end;
the second discharging channel 6 is arranged below the first discharging channel 4, and an iron remover is arranged at one end, far away from the discharging end, of the second discharging channel 6;
the metal detector 2 is arranged between the feeding end and the discharging end;
the turnover device comprises a rotation driving mechanism, an output end of the rotation driving mechanism is coaxially and fixedly connected with a rotating shaft 5, the rotating shaft 5 is fixedly connected with the middle part of the first discharging channel 4, and the rotation driving mechanism and the metal detector 2 are electrically connected with a controller.
It can be appreciated that the conveying device 1 conveys the crushed silicon blocks, so that the silicon blocks without metal impurities are discharged from the first discharging channel 4; the metal detector 2 detects the metal possibly doped in the silicon block, and after the first discharging channel 4 is turned over, the silicon block doped with metal impurities is discharged from the second discharging channel 6, so that the silicon block and the metal are separated; in addition, after the silicon blocks doped with the metal impurities enter the iron remover, the iron remover can adsorb the metal impurities, so that the metal impurities are separated again.
It should be noted that, when the rotation driving mechanism does not drive the rotation shaft 5 to rotate, the first discharging channel 4 shields the second discharging channel 6, that is, the silicon block will fall into the first discharging channel 4 after reaching the discharging end; when the first metal detector 2 detects doped metal in the silicon block and the rotation driving mechanism drives the rotating shaft 5 to rotate, the first discharging channel 4 does not cover the second discharging channel 6, namely, the silicon block doped with metal can fall into the second discharging channel 6 after reaching the discharging end.
It should be noted that the controller may be a PCB board with a C51 single chip, and the rotation driving mechanism may be a motor.
In one embodiment, the conveyor 1 comprises motor driven driving and driven rollers 102, the driving and driven rollers 102 being wound with a conveyor belt 101.
It can be appreciated that the motor drives the driving roller to rotate, and the driving roller is matched with the driven roller 102 to drive the conveying belt 101 on the driving roller to rotate, so that the conveying of the silicon blocks is realized.
Since the driving roller and the driven roller 102 are provided at both ends of the conveyor 1, the metal detector 2 is preferably provided at the middle of the conveyor 1, and thus, the influence of the metal components such as the driving roller, the driven roller 102, and the motor on the detection of the metal detector 2 can be avoided.
In one embodiment, the conveyor belt 101 is a polyurethane conveyor belt; the thickness of the conveyor belt 101 was 3mm.
It can be understood that the polyurethane conveyer belt has wear resistance, aging resistance and high hardness, and is not easy to pollute the silicon block; the conveyor belt 101 is made of a nonmetallic material, and does not affect the metal detector 2.
In one embodiment, the conveyor belt 101 is provided with ribs on both sides.
It will be appreciated that the sides of the conveyor belt 101 are provided with ribs to avoid 3mm sized silicon blocks from falling off the sides of the conveyor belt 101.
In one embodiment, a scraper is provided on the conveyor 1, above the conveyor belt 101.
It will be appreciated that by controlling the distance between the flights and the conveyor belt 101, the silicon chunks can be sorted; in addition, the squeegee can make the laying of the silicon blocks on the conveyor belt 101 uniform, thereby preventing the silicon blocks from accumulating to cause inaccurate detection by the metal detector 2.
The distance between the scraper and the conveyor belt 101 may be set to 3mm, so that silicon materials having a size greater than 3mm are sorted out.
In one embodiment, the iron remover is an electromagnetic iron remover.
It can be understood that the electromagnetic iron remover can adsorb metal when being electrified and can break the adsorption effect on the metal when the electromagnetic iron remover is powered off; therefore, the electromagnetic iron remover is convenient to clean the metal by utilizing the hairbrush after the removal is finished and collect the metal into the corresponding storage box.
In one embodiment, the discharge end is provided with a dust removal opening 3.
It will be appreciated that the discharge end is provided with a dust removal port 3 to avoid the occurrence of larger dust at the discharge end.
In one embodiment, the metal removing apparatus comprises a bracket 7, and the conveying device 1, the metal detector 2, the second discharging channel 6 and the rotation driving mechanism are fixedly connected on the bracket 7.
It can be understood that the bracket 7 connects the conveying device 1, the metal detector 2, the second discharging channel 6 and the rotation driving mechanism into a whole, so as to avoid influencing metal removal due to the relative position change among the conveying device 1, the metal detector 2, the second discharging channel 6 and the rotation driving mechanism.
In one embodiment, a hopper 10 is fixedly connected to the bracket 7, and the hopper 10 is located above the feeding end.
It will be appreciated that the silicon briquette falls into the feed end via the hopper 10, avoiding the silicon briquette falling out of the conveyor 1.
In one embodiment, the lower part of the bracket 7 is provided with a moving wheel 8 and a fixed foot shoe 9.
It can be understood that the lower part of the bracket 7 is provided with a moving wheel 8, which is convenient for the movement of the whole metal removing equipment; the fixed foot hoof 9 is arranged at the lower part of the bracket 7, so that the metal removing equipment can be conveniently fixed on the ground after the moving is finished.
It should be noted that the height of the fixed foot 9 can be adjusted; i.e. when moving, the height of the fixed foot hooves 9 is adjusted to be small; while the height of the fixed foot hoof 9 is adjusted to be larger during fixing.
The working process of the utility model is as follows:
pouring the silicon blocks into a hopper 10, so that the silicon blocks fall into a conveying belt 101 and are conveyed on the conveying belt 101;
the metal detector 2 detects possibly doped metal in the silicon block; if no metal is detected, discharging the silicon block from the first discharging channel 4; if metal is detected, the first discharging channel 4 is turned over, the silicon block doped with the metal is discharged from the second discharging channel 6, and then the iron remover removes the metal doped in the silicon block.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "bottom," "top," "front," "rear," "inner," "outer," "left," "right," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
Although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present utility model. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present utility model as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
Claims (10)
1. A metal removing apparatus for removing metal impurities from a silicon block, comprising:
the conveying device (1), two ends of the conveying device (1) are a feeding end and a discharging end respectively;
the first discharging channel (4) is arranged below the discharging end;
the second discharging channel (6) is arranged below the first discharging channel (4), and an iron remover is arranged at one end, far away from the discharging end, of the second discharging channel (6);
a metal detector (2), wherein the metal detector (2) is arranged between the feeding end and the discharging end;
the turnover device comprises a rotation driving mechanism, the output end of the rotation driving mechanism is coaxially and fixedly connected with a rotating shaft (5), the rotating shaft (5) is fixedly connected with the middle part of the first discharging channel (4), and the rotation driving mechanism and the metal detector (2) are electrically connected with a controller.
2. A metal removing apparatus as claimed in claim 1, wherein the conveying means (1) comprises a motor-driven driving roller and driven roller (102), and the driving roller and driven roller (102) is wound with a conveyor belt (101).
3. A metal removing apparatus as claimed in claim 2, wherein the conveyor belt (101) is a polyurethane conveyor belt.
4. A metal removing apparatus as claimed in claim 3, wherein the conveyor belt (101) is provided with ribs on both sides.
5. A metal removing apparatus as claimed in claim 2, wherein the conveyor (1) is provided with a scraper, which is located above the conveyor belt (101).
6. A metal removing apparatus as set forth in claim 1, wherein said iron remover is an electromagnetic iron remover.
7. A metal removing apparatus according to claim 1, wherein the discharge end is provided with a dust removal port (3).
8. A metal removing apparatus according to claim 1, characterized in that the metal removing apparatus comprises a bracket (7), and the conveying device (1), the metal detector (2), the second discharging channel (6) and the rotation driving mechanism are fixedly connected to the bracket (7).
9. A metal removing apparatus according to claim 8, wherein a hopper (10) is fixedly connected to the support (7), the hopper (10) being located above the feed end.
10. A metal removing apparatus as claimed in claim 8, wherein the lower part of the stand (7) is provided with a moving wheel (8) and a fixed foot (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320979249.6U CN219923270U (en) | 2023-04-25 | 2023-04-25 | Metal rejecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320979249.6U CN219923270U (en) | 2023-04-25 | 2023-04-25 | Metal rejecting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219923270U true CN219923270U (en) | 2023-10-31 |
Family
ID=88497511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320979249.6U Active CN219923270U (en) | 2023-04-25 | 2023-04-25 | Metal rejecting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219923270U (en) |
-
2023
- 2023-04-25 CN CN202320979249.6U patent/CN219923270U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204914326U (en) | Waste plastic reducing mechanism | |
| CN111747069A (en) | Novel grain conveyor capable of removing impurities from grains and impurity removing method | |
| CN109501052A (en) | A kind of waste plastic bottle crushing recyclable device | |
| CN108000751A (en) | A kind of cleaning type rubber crushing machine | |
| CN108816510A (en) | A kind of easy deironing apparatus in Rice producing technique | |
| CN111389572A (en) | Construction waste classification device | |
| CN219923270U (en) | Metal rejecting equipment | |
| CN213111607U (en) | Feeding device is used in nut processing | |
| CN113149418A (en) | Photoelectric display is with cutting scrap device that prevents that glass piece from dropping | |
| CN107962705A (en) | A kind of application method of cleaning type rubber crushing machine | |
| CN109130007B (en) | Broken crocus production line of building templates waste material | |
| CN211801465U (en) | Spherical graphite production line | |
| CN107952584A (en) | A kind of raw material removes metal device before crushing | |
| CN210585376U (en) | Get rid of device of ferromagnetic impurity in concrete | |
| CN116099591A (en) | Rice mill with dustproof filter stone effect | |
| CN207714080U (en) | Facilitate the cold burden feeding mechanism of blanking | |
| CN111495586A (en) | Iron removal device for feed-grade calcium carbonate production | |
| CN212607730U (en) | Rice processing belt conveyor | |
| CN215197566U (en) | Magnetic separation device for production and processing of high-purity quartz sand | |
| CN217457275U (en) | Ash discharging valve of dust remover for electric furnace convenient to overhaul | |
| CN215542655U (en) | A sieve separator for stagnant separation of sweetmeat salt | |
| CN220231166U (en) | Chemical detection sample crusher | |
| CN217962922U (en) | Apply to automatic waste material iron device that unloads of disc de-ironing separator | |
| CN218341831U (en) | Dust autosegregation device | |
| CN219765438U (en) | Coal mining processing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |