CN107457178A - A kind of useless silicon material impurity sorting unit - Google Patents
A kind of useless silicon material impurity sorting unit Download PDFInfo
- Publication number
- CN107457178A CN107457178A CN201710806519.2A CN201710806519A CN107457178A CN 107457178 A CN107457178 A CN 107457178A CN 201710806519 A CN201710806519 A CN 201710806519A CN 107457178 A CN107457178 A CN 107457178A
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- CN
- China
- Prior art keywords
- impurity
- silicon material
- blower fan
- sorting
- feeding
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
Abstract
The invention discloses a kind of useless silicon material impurity sorting unit, including sorting cavity, blower fan is provided with sorting chamber body, along the air-out direction of blower fan, charging aperture, impurity mouth and at least one discharging opening are disposed with sorting cavity；Charging aperture is the charging aperture that the useless silicon material containing impurity enters in the sorting chamber body, after useless silicon material containing impurity enters in sorting chamber body, because the wind-force in horizontal fan direction acts on, when finally being fallen on sorting cavity bottom by vertical direction Action of Gravity Field, there can be the range in a horizontal direction, due to varying in weight for impurity and useless silicon material, final range straggling is also different, so as to reach the purpose of sorting impurity and useless silicon material.For the present invention using the mode of physical separation, not only the efficiency of separation is high, and more environmentally friendly.
Description
Technical field
The present invention relates to the useless silicon material process field of photovoltaic cell, more particularly to a kind of useless silicon material impurity sorting unit.
Background technology
In each production link of photovoltaic cell, substantial amounts of fragment can be produced and given up silicon material, and fragment gives up silicon material
Interior quality is fine, in order to save cost of material, reduces silicon material loss, it is necessary to which silicon material of being given up to fragment reclaims, by processing
Afterwards, used again as raw material.
Because contain substantial amounts of quartz, organic gel, metal impurities in useless silicon material, it is generally the case that can use artificial
The mode of sorting, the removal of impurity is gone, but this sorting mode efficiency is low, the probability for leaking choosing is big；Chemical attack can also be used
Mode goes the removal of impurity, but this chemical attack is time-consuming very long, and can produce acid mist, very big to human injury, caused useless
Liquid can also produce serious pollution to environment.
The content of the invention
It is an object of the invention to provide a kind of useless silicon material impurity sorting unit, it is low to solve the useless silicon material efficiency of separation, to ring
Border produces the problem of serious pollution, realizes the quick sorting mode for sub-electing impurity in useless silicon material environmentally friendlyly.
In order to solve the above technical problems, the present invention provides a kind of useless silicon material impurity sorting unit, including：
A kind of useless silicon material impurity sorting unit, it is characterised in that including：
Cavity is sorted, blower fan is provided with the sorting chamber body, along the air-out direction of the blower fan, in the sorting cavity
On be disposed with charging aperture, impurity mouth and at least one discharging opening；
Wherein, the charging aperture is the charging aperture that the useless silicon material containing impurity enters in the sorting chamber body, is arranged on institute
State the top of sorting cavity；The impurity mouth and the discharging opening are arranged on the bottom of the sorting cavity.
Wherein, the charging aperture includes loading hopper and feeding-passage；The feeding-passage upper port and loading hopper phase
Even, lower port is connected with the top of the sorting cavity；The axis of the feeding-passage is opposite to the blower fan air-out direction
Direction tilts.
Wherein, the angle of the axis of the feeding-passage and horizontal plane is less than 10 °.
Wherein, the lower port of the feeding-passage and the distance of the blower fan are 0.7~0.9m；The blower fan is that air quantity is
2800~3500m3/ h, wind speed are 10~17m/s blower fan.
Wherein, the bore of the feeding-passage lower port is less than the bore of the impurity mouth；
The feeding-passage lower port is located at the impurity mouth apart from the blower fan most apart from the solstics of the blower fan
The surface of near point.
Wherein, the discharging opening and 0.5~0.7m of the impurity mouth distance.
Wherein, it is provided with vibrator on the loading hopper.
Wherein, the vibrator is the vibrator for making the inlet amount in loading hopper be 1.2~1.8kg/min.
Wherein, in addition to for filter sizes it is more than the filter of 4*4mm impurity, the filter is arranged on discharging
Below mouthful.
Wherein, air-out direction of the sorting cavity bottom along the blower fan sets 3 discharging openings.
A kind of useless silicon material impurity sorting unit provided by the present invention, a horizontal direction is provided for useless silicon material by blower fan
Acceleration, because of the difference of give up silicon material and impurity own wt, the acceleration of horizontal direction is also different, under by Action of Gravity Field
Fall, when dropping down onto the bottom of sorting chamber body under final, the range of caused horizontal direction is also just different, thus at sorting cavity bottom
The position for the horizontal range that portion, impurity and useless silicon material can reach sets impurity mouth and discharging opening respectively, you can by impurity and gives up
Silicon material is separated, and without manual sorting, greatly reduces the workload of staff, and compared to passing through in the prior art
Deimpurity method is soaked in acid solution for a long time, method of the invention is more environmentally friendly, and the spent time greatly shortens, and carries
The high efficiency of separation, apparatus structure of the invention is simple in addition, and operating cost is low, therefore the present invention has that operating efficiency is high, warp
The beneficial effect of Ji environmental protection.
Brief description of the drawings
, below will be to embodiment or existing for the clearer explanation embodiment of the present invention or the technical scheme of prior art
The required accompanying drawing used is briefly described in technology description, it should be apparent that, drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Accompanying drawing 1 is a kind of schematic diagram of specific embodiment of useless silicon material impurity pneumatic separation device provided by the invention.
In accompanying drawing, 1 it is sorting cavity, 2 is blower fan, 3 is charging aperture, 31 is loading hopper, 32 is feeding-passage, 4 is miscellaneous
Matter mouth, 5 are discharging opening.
Embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Fig. 1 is refer to, Fig. 1 is a kind of signal of specific embodiment of useless silicon material impurity pneumatic separation device provided by the invention
Figure.
In a kind of specific embodiment provided by the invention, it can include：
Cavity 1 is sorted, blower fan 2 is provided with the sorting cavity 1, along the air-out direction of the blower fan 2, in the sorting
Charging aperture 3, impurity mouth 4 and at least one discharging opening 5 are disposed with cavity 1；
Wherein, the charging aperture 3 is the charging aperture 3 that the useless silicon material containing impurity enters in the sorting cavity 1, is arranged on
The top of the sorting cavity 1；The impurity mouth 4 and the discharging opening 5 are arranged on the bottom of the sorting cavity 1.
For the useless silicon material containing impurity such as a large amount of quartz, metal, organic gels, it is necessary to the quality of the useless silicon material recycled
Small for impurity, when to impurity and the wind-force of useless silicon material one horizontal direction of offer, the speed for silicon material of giving up is relative
In the very fast of impurity growth, final impurity and useless silicon material are because when Action of Gravity Field falls on same level, the level of useless silicon material is penetrated
Journey is greater than the horizontal range of impurity, so as to which impurity and useless silicon material be separated.
The mixture of useless silicon material and impurity can be put into by charging aperture 3 from the top of sorting cavity 1 in the present invention
Sort in cavity 1, by the wind blows mixture of general horizontal direction in sorting chamber, when useless silicon material and impurity fall on sorting
During the bottom of cavity 1, because horizontal range is different, useless silicon material falls into discharging opening 5, and impurity falls into impurity mouth 4, so as to reach
The effect that useless silicon material and impurity are separated.
Compared with prior art, technical scheme, without artificial separation, there will not be due to chemical attack impurity
And caused acid mist, reduce the pollution to environment.
Based on above-described embodiment, in another specific embodiment of the invention, the charging aperture 3 includes loading hopper 31 and entered
Expect passage 32；The upper port of feeding-passage 32 is connected with loading hopper 31, the top phase of lower port and the sorting cavity 1
Even；The axis of the feeding-passage 32 tilts to the opposite direction of the air-out direction of blower fan 2, when the mixing of useless silicon material and impurity
When thing enters feeding-passage 32 by loading hopper 31, because the axis of feeding-passage 32 is inclined, it is possible to be mixture
The speed of a horizontal direction is provided, the timing of distance one between the top and bottom of sorting cavity 1, silicon material of giving up and impurity are by weight
The effect of power, the time of whereabouts are fixed, then the horizontal velocity of impurity and useless silicon material is bigger, and horizontal range is more remote, further, since useless
The quality of silicon material is less than the quality of impurity, and when being fallen in feeding-passage 32, the resistance of useless silicon material is greater than impurity, that is,
Say that the time that useless silicon material falls is longer than the time of impurity, this strengthens the separation between impurity and useless silicon material to a certain extent.
Based on above-described embodiment, it is contemplated that when the angle of inclination of the axis of feeding-passage 32 is excessive, can also give useless silicon material and
The speed of one vertical direction of impurity, this can reduce the fall time of useless silicon material and impurity between cavity 1 is sorted, be unfavorable for giving up
Silicon material and impurity separation, so the angle of inclination of the axis of feeding-passage 32 is needed in an appropriate scope, therefore, can be with
To the further improvement of above-described embodiment, in another specific embodiment provided by the invention, can include：The feeding-passage 32
The angle of axis and horizontal plane is less than 10 °.
Because the angle of inclination of feeding-passage 32 is smaller, so in the lower port of feeding-passage 32, waste material and impurity it is perpendicular
Nogata is much smaller than the speed of horizontal direction to speed.
Based on above-described embodiment, in another specific embodiment of the invention, can include：
The lower port of the feeding-passage 32 and the distance of the blower fan 2 are 0.7~0.9m, that is to say useless silicon material and impurity
Into during sorting cavity 1 and the distance between blower fan 2, the distance can be specifically 0.8m；The blower fan 2 be air quantity be 2800~
3500m3/ h, wind speed are 10~17m/s blower fan, and air quantity can be specifically 2900m3/h、3000m3/h、3200m3/h、3400m3/
H etc. or other air quantity scopes, wind speed can be 11m/s, 13m/s, 14m/s, 16m/s etc. or other wind speed
Scope.
It should be noted that the position of charging aperture 3 at the top of sorting cavity 1 and the air quantity and wind speed of blower fan 2 are mutually right
Answer, the distance between suitable charging aperture 3 and blower fan 2 can be set according to the needs of real space, set further according to the distance
Put the suitable air quantity of blower fan 2 and wind speed so that when impurity and useless silicon material fall on sorting 1 bottom of cavity, impurity and useless silicon material can
Relatively good separates.Therefore, the lower port of the feeding-passage 32 in the present embodiment and the distance of blower fan 2 and blower fan 2
Air quantity, wind speed are that useless silicon material and a kind of embodiment of impurity can be separated in practical operation, be not the present invention must
Technical characteristic is wanted, can be adjusted according to actual sorting situation.
Based on above-described embodiment, it is contemplated that for different types of impurity, range in the horizontal direction also can be otherwise varied,
For that in this another specific embodiment of the invention, can include：
The bore of the lower port of feeding-passage 32 is less than the bore of the impurity mouth 4；The lower port of feeding-passage 32
It is located at the impurity mouth 4 apart from the surface of the closest approach of the blower fan 2 apart from the solstics of the blower fan 2.
It should be noted that be the further improvement based on above-described embodiment in the present embodiment, above-described embodiment away from
Under conditions of parameter and the parameter of blower fan 2, impurity mouth 4 is set by the position in the present embodiment, can be as much as possible so that miscellaneous
Matter is fallen into impurity mouth 4.
Further, equally under conditions of the distance parameter of sorting unit and the parameter of blower fan 2, in order to as much as possible
It is collected into pure useless silicon material, in another specific embodiment of the invention, can includes：The discharging opening 5 and the impurity mouth 4
0.5~0.7m of distance, than even more preferably 0.6m.Certain in wind speed, speed is certain in fact, under conditions of height of drop is certain,
What the range region that useless silicon material and impurity fall was to determine, for this, thus discharging opening 5 and the position of impurity mouth 4 can be set.
Based on above-mentioned any embodiment, it is contemplated that, may if the mixture of useless silicon material and impurity is excessive in charging aperture 3
Situation about being blocked in charging aperture 3 is caused, is in this another specific embodiment of the invention, can include：The loading hopper 31
On be provided with vibrator.Vibrator can vibrate loading hopper 31, so as to accelerate the silicon material and miscellaneous of being given up in loading hopper 31
The falling speed of matter, and the vibration frequency of vibrator is faster, the falling speed of silicon material of giving up and impurity is faster.
Based on above-described embodiment, it is contemplated that if the inlet amount in loading hopper 31 is excessive, give up silicon material and impurity it is mixed
Compound can produce resistance, or even mutually collision between each other, the sorting of useless silicon material and impurity be eventually affected, therefore, of the invention
Another specific embodiment in, can include：The vibrator is to make the inlet amount in loading hopper 31 be 1.2~1.8kg/
Min vibrator, specific inlet amount can be 1.4kg/min, 1.6kg/min etc., when inlet amount is kept within the range,
The useless silicon material and impurity of charging aperture 3 are unlikely to block, and will not also sort mutual downthrust in cavity 1, influence separating effect.
Based on above-described embodiment, it is contemplated that be likely present the relatively small impurity of some quality in useless silicon material, finally quilt
Discharging opening 5 is sorted into, so as to reduce the purity of the useless silicon material sorted in discharging opening 5, another specific implementation provided by the invention
In example, it can also include：It is more than the filter of 4*4mm impurity for filter sizes, the filter is arranged on discharging opening 5
Lower section.By filter, will can be sorted out more than the impurity of certain size from useless silicon material.
It should be noted that what is sub-elected after sorting from the discharging opening 5 nearest apart from impurity mouth 4 is also in the presence of a small amount of miscellaneous
The useless silicon material of matter, and the discharging opening 5 more remote apart from impurity mouth 4, the useless silicon material sub-elected are purer, for containing a small amount of impurity
Useless silicon material, impurity can removed using the mode of chemical attack because impurity now is less, and particle is minimum, only need
Time can that will be very short corrodes impurity completely, and etching time is relative to shorten 80%, and caused acid with prior art
Mist also greatly reduces, and the useless silicon material for not containing impurity directly reclaims use.
Based on above-described embodiment, in another specific embodiment of the invention, can include：Sorting cavity 1 bottom
Along the air-out direction of the blower fan 2,3 discharging openings 5 are set.
In actual applications, the quantity of discharging opening 5 can be set multiple, but when discharging opening 5 is excessive, be got over apart from blower fan 2
The top wind speed of remote discharging opening 5 also can accordingly weaken, and the useless silicon material eventually fallen into the discharging opening 5 also can be relatively fewer, very
To not having.
3 discharging openings 5 are provided with the present embodiment, can ensure that the discharging opening 5 farthest apart from blower fan 2 can be collected into
Hjolomorphism net useless silicon material, and the useless silicon material degree of purity that the discharging opening 5 nearest apart from blower fan 2 is collected into is minimum.In practical operation
Cheng Zhong, the impure useless silicon material in the discharging opening 5 can be reentered charging aperture 3 and be sorted, and to the air quantity of blower fan 2
The adjustment of adaptability is done with wind speed, is again separate out the pure useless silicon material in part.It is same for the useless silicon material still containing impurity
Impurity can be removed by the way of chemical attack, and now the content of impurity is very low, can be in very short time
Rapidly remove impurity.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
- A kind of 1. useless silicon material impurity sorting unit, it is characterised in that including：Sort cavity, be provided with blower fan in the sorting chamber body, along the air-out direction of the blower fan, on the sorting cavity according to It is secondary to be provided with charging aperture, impurity mouth and at least one discharging opening；Wherein, the charging aperture is the charging aperture that the useless silicon material containing impurity enters in the sorting chamber body, is arranged on described point Select the top of cavity；The impurity mouth and the discharging opening are arranged on the bottom of the sorting cavity.
- 2. device according to claim 1, it is characterised in that the charging aperture includes loading hopper and feeding-passage；The feeding-passage upper port is connected with loading hopper, and lower port is connected with the top of the sorting cavity；The axis of the feeding-passage tilts to the opposite direction of the blower fan air-out direction.
- 3. device according to claim 2, it is characterised in that the axis of the feeding-passage and the angle of horizontal plane are less than 10°。
- 4. device according to claim 2, it is characterised in that the lower port of the feeding-passage and the distance of the blower fan For 0.7~0.9m；The blower fan is that air quantity is 2800~3500m3/ h, wind speed are 10~17m/s blower fan.
- 5. device according to claim 4, it is characterised in that the bore of the feeding-passage lower port is less than the impurity The bore of mouth；The feeding-passage lower port is located at closest approach of the impurity mouth apart from the blower fan apart from the solstics of the blower fan Surface.
- 6. device according to claim 5, it is characterised in that the discharging opening and 0.5~0.7m of the impurity mouth distance.
- 7. according to the device described in any one of claim 2 to 6, it is characterised in that be provided with vibrator on the loading hopper.
- 8. device according to claim 7, it is characterised in that the vibrator is to make the inlet amount in loading hopper be 1.2~1.8kg/min vibrator.
- 9. device according to claim 8, it is characterised in that also include being used for the mistake that filter sizes are more than 4*4mm impurity Device is filtered, the filter is arranged on below discharging opening.
- 10. device according to claim 9, it is characterised in that air-out side of the sorting cavity bottom along the blower fan To 3 discharging openings of setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806519.2A CN107457178A (en) | 2017-09-08 | 2017-09-08 | A kind of useless silicon material impurity sorting unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806519.2A CN107457178A (en) | 2017-09-08 | 2017-09-08 | A kind of useless silicon material impurity sorting unit |
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| CN107457178A true CN107457178A (en) | 2017-12-12 |
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| CN201710806519.2A Pending CN107457178A (en) | 2017-09-08 | 2017-09-08 | A kind of useless silicon material impurity sorting unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047297A (en) * | 2018-09-30 | 2018-12-21 | 广东惜福环保科技有限公司 | House refuse centralization separation system and sorting process |
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| CN103037951A (en) * | 2010-04-16 | 2013-04-10 | 凯洛格·布朗及鲁特有限责任公司 | Methods and apparatus for separating particulates from a particulate-fluid mixture |
| CN104114290A (en) * | 2012-01-05 | 2014-10-22 | 永田工程株式会社 | Dry separation method and dry separation device |
| CN205731674U (en) * | 2016-05-19 | 2016-11-30 | 亚洲硅业（青海）有限公司 | The segregation apparatus of the Harmful Residue in a kind of silicon grain material |
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2017
- 2017-09-08 CN CN201710806519.2A patent/CN107457178A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103037951A (en) * | 2010-04-16 | 2013-04-10 | 凯洛格·布朗及鲁特有限责任公司 | Methods and apparatus for separating particulates from a particulate-fluid mixture |
| CN104114290A (en) * | 2012-01-05 | 2014-10-22 | 永田工程株式会社 | Dry separation method and dry separation device |
| CN205731674U (en) * | 2016-05-19 | 2016-11-30 | 亚洲硅业（青海）有限公司 | The segregation apparatus of the Harmful Residue in a kind of silicon grain material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047297A (en) * | 2018-09-30 | 2018-12-21 | 广东惜福环保科技有限公司 | House refuse centralization separation system and sorting process |
| CN109047297B (en) * | 2018-09-30 | 2024-01-23 | 广东惜福环保科技有限公司 | Household garbage centralized sorting system and sorting process |
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Application publication date: 20171212 |