CN109351630A - A kind of silicon powder impurity pneumatic separation device - Google Patents
A kind of silicon powder impurity pneumatic separation device Download PDFInfo
- Publication number
- CN109351630A CN109351630A CN201811290566.7A CN201811290566A CN109351630A CN 109351630 A CN109351630 A CN 109351630A CN 201811290566 A CN201811290566 A CN 201811290566A CN 109351630 A CN109351630 A CN 109351630A
- Authority
- CN
- China
- Prior art keywords
- sieve
- powder
- cabinet
- separation device
- pneumatic separation
- 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.)
- Withdrawn
Links
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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
Abstract
The present invention relates to a kind of silicon powder impurity pneumatic separation devices, belong to photovoltaic technology field, it solves the problems, such as that the removal of silicon powder impurity is inconvenient in the prior art.This silicon powder impurity pneumatic separation device includes cabinet, cabinet side is equipped with blower, top of the box is equipped with feed inlet, the first sieve, the second sieve and third sieve are respectively equipped in cabinet, cabinet is equipped with discharge port far from blower side, the mesh number of first sieve, the second sieve and third sieve is sequentially increased, and is equipped with powder collection box below the first sieve, the second sieve and third sieve.This silicon powder impurity pneumatic separation device is filtered powder by the sieve of different pore size, so that powder is fallen into according to different-grain diameter in different powder collection boxes, then by manual sorting, sorting efficiency can be improved.
Description
Technical field
The invention belongs to photovoltaic technology field, be related to a kind of silicon material selects device, especially a kind of removal silicon material metal
Impurity selects device.
Background technique
Solar power generation is the important means of human use's solar energy, and solar battery is then the master for realizing photoelectric conversion
Device is wanted, the photoelectric conversion efficiency of solar battery determines the utilization conversion ratio of solar energy source.In recent years, world's solar-electricity
The speed of the yield in pond and installed capacity every year all 30% is fast-developing.Currently, the accumulative installed capacity in the whole world is 25.4GW, in advance
It counts the installed capacity of the year two thousand twenty whole world and is up to 278GW.
Recently as silicon solar industry high speed development, market competition is more and more fierce, to reduce silicon wafer production cost,
Silicon wafer is improved in market competition, the useless silicon material that production process generates need to be recycled and be used.It recycles and exists in the broken silicon material used
Impurity, it is therefore desirable to be crushed, be screened, pickling, drying form powder, and powder carries out flotation again and carries out last purification, so
And there are still some non-silicon class impurity that cannot exclude in some floatation process, due to floatation process not can be removed it is lighter than flour
Fine impurities, these impurity hand picking difficulty are higher, progress is slower, recycle that there are certain influences to silicon material.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, proposing one kind and removing light impurities in removing silicon powder
Silicon powder impurity pneumatic separation device.
Object of the invention can be realized by the following technical scheme: a kind of silicon powder impurity pneumatic separation device, it is characterised in that:
Including cabinet, the cabinet side is equipped with blower, and the top of the box is equipped with feed inlet, is respectively equipped in the cabinet
First sieve, the second sieve and third sieve, the cabinet far from blower side be equipped with discharge port, first sieve,
The mesh number of second sieve and third sieve is sequentially increased, and is equipped with below first sieve, the second sieve and third sieve
Powder collection box.
Powder after flotation, large granular impurity have been removed, and remaining is all the non-silicon also smaller than powder itself
Expect impurity, therefore this pneumatic separation device practical function is to retain powder, is collected to impurity, therefore using the sieve of different pore size
Net gradually sifts out short grained powder, and the powder of smallest particles directly returns to baking oven by discharge port and continues with.
In above-mentioned silicon powder impurity pneumatic separation device, the blower is frequency conversion fan.Frequency conversion fan can be according to powder grain
Diameter size regulating air volume.Meanwhile air quantity is gradually increased according to the powder that feed inlet enters is ascending, so that small particle
The right discharge port of impurity is expelled directly out, and large-sized powder and impurity are respectively fallen in the powder collection box below corresponding sieve, so
Impurity is chosen by artificial screening afterwards, because the powder and impurity of different-grain diameter are sorted out, facilitates artificial screening.
In above-mentioned silicon powder impurity pneumatic separation device, baffle-box, the baffle-box are additionally provided with above the feed inlet
Top is equipped with opening.The purpose of baffle-box is to close feed inlet when powder pours into, and buffering box opening is closed when feed inlet is opened,
Therefore dust will not be caused to overflow along feed inlet because of the opening and closing of feed inlet at work in blower, reduces the wave of powder
Take, while guaranteeing that the blowing direction of blower is unaffected.
In above-mentioned silicon powder impurity pneumatic separation device, it is located at feed inlet in the cabinet, and is located at below blower and sets
There is powder to keep in platform.
When being fallen into cabinet by feed inlet, part powder is directly blown to sieve by blower and carries out sieve material powder, and another
Part is then fallen on temporary platform, and the powder kept on temporary platform can be gradually increased air quantity by adjusting the air force of blower,
Small size particle is first blown afloat, is blown afloat after large-size particles, to improve efficiency of the powder by sieve, prevents a large amount of particles stifled
Screening efficiency is influenced on sieve in front.
In above-mentioned silicon powder impurity pneumatic separation device, vibration motor is equipped with below the cabinet.It will by vibration motor
Powder on temporary platform carries out vibration separation, and cooperation blower blowing can efficiently separate powder and impurity.
In above-mentioned silicon powder impurity pneumatic separation device, first sieve is 10 mesh, and the second sieve is 20 mesh, third
Sieve is 30 mesh.
Compared with prior art, this silicon powder impurity pneumatic separation device is filtered powder by the sieve of different pore size, makes
It obtains powder to fall into according to different-grain diameter in different powder collection boxes, then by manual sorting, sorting efficiency can be improved, and it is small
Partial size impurity then directly blows out directly return baking oven by discharge port and continues with, and improves powder impurity separative efficiency, utilizes wind
Machine adjusts different air forces, so that powder and impurity is ascending is gradually disengaged, improves efficiency of the powder by sieve, into
One step improves powder selection by winnowing efficiency.
Specific embodiment
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described, but the present invention is simultaneously
It is not limited to these embodiments.
This silicon powder impurity pneumatic separation device, including cabinet, the cabinet side are equipped with frequency conversion fan, the top of the box
Equipped with feed inlet, the first sieve, the second sieve and third sieve are respectively equipped in the cabinet, the cabinet is far from blower
Side is equipped with discharge port, and the mesh number of first sieve, the second sieve and third sieve is sequentially increased, first sieve
Powder collection box is equipped with below net, the second sieve and third sieve, first sieve is 10 mesh, and the second sieve is 20
Mesh, third sieve are 30 mesh.
Powder after flotation, large granular impurity have been removed, and remaining is all the non-silicon also smaller than powder itself
Expect impurity, therefore this pneumatic separation device practical function is to retain powder, is collected to impurity, therefore using the sieve of different pore size
Net gradually sifts out short grained powder, and the powder of smallest particles directly returns to baking oven by discharge port and continues with.Frequency conversion fan can
According to powder particle size size regulating air volume.Meanwhile air quantity is gradually increased according to the powder that feed inlet enters is ascending, make
The right discharge port of impurity for obtaining small particle is expelled directly out, and large-sized powder and impurity respectively fall in the receipts of the powder below corresponding sieve
Collect in box, impurity is then chosen by artificial screening, because the powder and impurity of different-grain diameter are sorted out, facilitates artificial sieve
Choosing.
In this silicon powder impurity pneumatic separation device, it is additionally provided with baffle-box above the feed inlet, is set above the baffle-box
There is opening.The purpose of baffle-box is to close feed inlet when powder pours into, and buffering box opening is closed when feed inlet is opened, therefore
Blower will not cause dust to overflow along feed inlet because of the opening and closing of feed inlet at work, reduce the waste of powder, simultaneously
Guarantee that the blowing direction of blower is unaffected.Vibration motor is equipped with below the cabinet.It will be on temporary platform by vibration motor
Powder carry out vibration separation, cooperation blower blowing can efficiently separate powder and impurity.
In this silicon powder impurity pneumatic separation device, it is located at feed inlet in the cabinet, and is located at below blower and is equipped with powder
Temporary platform.When being fallen into cabinet by feed inlet, part powder is directly blown to sieve by blower and carries out sieve material powder, and another portion
Divide and then fall on temporary platform, the powder kept on temporary platform can be gradually increased air quantity by adjusting the air force of blower, will
Small size particle is first blown afloat, and is blown afloat after large-size particles, to improve efficiency of the powder by sieve, prevents a large amount of particles from getting lodged in
Screening efficiency is influenced on the sieve of front.
The course of work of this silicon powder impurity pneumatic separation device is as follows:
Powder is poured by the opening of baffle-box first, is then shut off baffle-box, opens blower, opens feed inlet, powder
It is fallen into cabinet from feed inlet, under the action of blower, the powder of small particle is blown at sieve, and most of powder falls in temporary
On platform, vibration motor is opened at this time, the powder kept on platform moves under the effect of the wind-force of vibration motor and blower at sieve,
When powder particle size wears only sieve, then fall into corresponding powder collection box, as the air quantity of blower continues to increase, powder by
It is small to being blown afloat and fallen into respectively in the powder collection box of corresponding partial size greatly, until the discharge outlet of blower distalmost end, most granule
The impurity of diameter is then directly discharged by discharge port, is continued with into drying box, and the powder collection box of the bottom of box is for collecting
The powder of different-grain diameter, be collected into it is a certain amount of after, powder collection box bottom be equipped with opening, the powder in powder collection box is arrived
Place, then can carry out manual sorting.
This silicon powder impurity pneumatic separation device is filtered powder by the sieve of different pore size, so that powder is according to different grains
Diameter is fallen into different powder collection boxes, then by manual sorting, can be improved sorting efficiency, and small particle impurity then directly by
Discharge port blowout directly returns to baking oven and continues with, and improves powder impurity separative efficiency, big using Fan Regulation difference air quantity
It is small, so that powder and impurity is ascending is gradually disengaged, improves efficiency of the powder by sieve, further improves powder wind
Select efficiency.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (5)
1. a kind of silicon powder impurity pneumatic separation device, it is characterised in that: including cabinet, the cabinet side is equipped with blower, described
Top of the box is equipped with feed inlet, is respectively equipped with the first sieve, the second sieve and third sieve, the cabinet in the cabinet
It is equipped with discharge port far from blower side, the mesh number of first sieve, the second sieve and third sieve is sequentially increased, described
It is equipped with powder collection box below first sieve, the second sieve and third sieve, is additionally provided with baffle-box above the feed inlet,
Opening is equipped with above the baffle-box.
2. a kind of silicon powder impurity pneumatic separation device according to claim 1, it is characterised in that: the blower is frequency conversion wind
Machine.
3. a kind of silicon powder impurity pneumatic separation device according to claim 1 or 2, it is characterised in that: be located in the cabinet
At feed inlet, and it is located at below blower and is equipped with the temporary platform of powder.
4. a kind of silicon powder impurity pneumatic separation device according to claim 3, it is characterised in that: be equipped with shake below the cabinet
Dynamic motor.
5. a kind of silicon powder impurity pneumatic separation device according to claim 1 or 2, it is characterised in that: first sieve is
10 mesh, the second sieve are 20 mesh, and third sieve is 30 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290566.7A CN109351630A (en) | 2018-10-31 | 2018-10-31 | A kind of silicon powder impurity pneumatic separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290566.7A CN109351630A (en) | 2018-10-31 | 2018-10-31 | A kind of silicon powder impurity pneumatic separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109351630A true CN109351630A (en) | 2019-02-19 |
Family
ID=65343579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811290566.7A Withdrawn CN109351630A (en) | 2018-10-31 | 2018-10-31 | A kind of silicon powder impurity pneumatic separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109351630A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4418871A (en) * | 1981-07-15 | 1983-12-06 | P.V. Machining, Inc. | Method and apparatus for reducing and classifying mineral crystalline and brittle noncrystalline material |
| CN104624503A (en) * | 2013-11-07 | 2015-05-20 | 西安中科麦特电子技术设备有限公司 | Medicinal material winnowing machine |
| CN205236412U (en) * | 2015-11-09 | 2016-05-18 | 景谷傣族彝族自治县云春茶厂 | Tea winnower |
| CN205463194U (en) * | 2016-01-08 | 2016-08-17 | 潜山县金福农业科技有限公司 | Trichosanthes seed sieving mechanism |
| CN106217682A (en) * | 2016-06-30 | 2016-12-14 | 重庆浩立塑胶有限公司 | Plastic grain screening plant |
| CN107411140A (en) * | 2017-07-20 | 2017-12-01 | 盐城千之诺机械有限公司 | A kind of shelled melon seed dries screening plant |
| CN206911728U (en) * | 2017-06-19 | 2018-01-23 | 金寨县大别山香源茶叶有限公司 | A kind of yellow big blowing for tea picks equipment |
| CN206967676U (en) * | 2017-04-26 | 2018-02-06 | 广东五联木业集团有限公司 | A kind of timber three-level sorting unit |
| CN207222373U (en) * | 2017-08-10 | 2018-04-13 | 安顺新金秋科技股份有限公司 | Seed cleaning screening plant |
| CN108212785A (en) * | 2017-12-26 | 2018-06-29 | 上思县盈福茶叶专业合作社 | A kind of automatic tea classifier |
| CN209271913U (en) * | 2018-10-31 | 2019-08-20 | 浙江羿阳太阳能科技有限公司 | A kind of silicon powder impurity pneumatic separation device |
-
2018
- 2018-10-31 CN CN201811290566.7A patent/CN109351630A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4418871A (en) * | 1981-07-15 | 1983-12-06 | P.V. Machining, Inc. | Method and apparatus for reducing and classifying mineral crystalline and brittle noncrystalline material |
| CN104624503A (en) * | 2013-11-07 | 2015-05-20 | 西安中科麦特电子技术设备有限公司 | Medicinal material winnowing machine |
| CN205236412U (en) * | 2015-11-09 | 2016-05-18 | 景谷傣族彝族自治县云春茶厂 | Tea winnower |
| CN205463194U (en) * | 2016-01-08 | 2016-08-17 | 潜山县金福农业科技有限公司 | Trichosanthes seed sieving mechanism |
| CN106217682A (en) * | 2016-06-30 | 2016-12-14 | 重庆浩立塑胶有限公司 | Plastic grain screening plant |
| CN206967676U (en) * | 2017-04-26 | 2018-02-06 | 广东五联木业集团有限公司 | A kind of timber three-level sorting unit |
| CN206911728U (en) * | 2017-06-19 | 2018-01-23 | 金寨县大别山香源茶叶有限公司 | A kind of yellow big blowing for tea picks equipment |
| CN107411140A (en) * | 2017-07-20 | 2017-12-01 | 盐城千之诺机械有限公司 | A kind of shelled melon seed dries screening plant |
| CN207222373U (en) * | 2017-08-10 | 2018-04-13 | 安顺新金秋科技股份有限公司 | Seed cleaning screening plant |
| CN108212785A (en) * | 2017-12-26 | 2018-06-29 | 上思县盈福茶叶专业合作社 | A kind of automatic tea classifier |
| CN209271913U (en) * | 2018-10-31 | 2019-08-20 | 浙江羿阳太阳能科技有限公司 | A kind of silicon powder impurity pneumatic separation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209271913U (en) | A kind of silicon powder impurity pneumatic separation device | |
| CN106944337B (en) | Air-screen type seed classificator | |
| CN206009251U (en) | A kind of seed cleaning device | |
| CN204074522U (en) | Peanut removal of impurities classification winnowing machine | |
| CN101954306B (en) | Biomass waste crushing system | |
| CN204953351U (en) | A light debris piece -rate system for building rubbish regeneration treatment | |
| CN106269515A (en) | A kind of Semen Camelliae remove impurity screening plant | |
| CN112058668B (en) | Seed winnowing equipment for agricultural production and use method thereof | |
| CN206199688U (en) | Proportion dressing machine | |
| CN109351630A (en) | A kind of silicon powder impurity pneumatic separation device | |
| CN201702000U (en) | Crushing system of biomass wastes | |
| CN207929571U (en) | A kind of corn seed screening impurity removed system | |
| CN208288422U (en) | Vibrating screen is used in a kind of screening of low-smoke halogen-free cable particulate material | |
| CN208449886U (en) | A kind of hickory nut selection by winnowing separation of hull from kernel machine | |
| CN206139502U (en) | Separation dust collecting equipment cracks rice | |
| CN206184751U (en) | Coffee edulcoration sorting machine | |
| CN207628466U (en) | A kind of wheat stone remover | |
| CN204620432U (en) | A kind of accurate seed aidr bells blast system | |
| CN2340524Y (en) | Baffle style flyash sizing apparatus | |
| CN106475321A (en) | Proportion dressing machine | |
| CN203343080U (en) | Ginger slice winnowing device | |
| CN202105717U (en) | Moth-eaten sunflower seed separation device | |
| CN2142374Y (en) | Highly efficient suction-separation sieve | |
| CN105013706A (en) | Light debris separating system for recycle disposal of building rubbish | |
| CN214160508U (en) | Silica flour impurity wind selector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190219 |