CN106276916B - The technique that a kind of achievable monocrystalline flavoring food effectively cleans - Google Patents
The technique that a kind of achievable monocrystalline flavoring food effectively cleans Download PDFInfo
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- CN106276916B CN106276916B CN201610627039.5A CN201610627039A CN106276916B CN 106276916 B CN106276916 B CN 106276916B CN 201610627039 A CN201610627039 A CN 201610627039A CN 106276916 B CN106276916 B CN 106276916B
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- cleaning
- silicon material
- flavoring food
- monocrystalline
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/037—Purification
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The invention belongs to silicon materials to be recycled technical field, and in particular to the technique that a kind of achievable monocrystalline flavoring food effectively cleans.The technique comprises the following steps：(1) bulk-shaped monocrystal flavoring food is poured into roller；(2) roller of charging is put into soda bath and carries out rolling cleaning；(3) it is put into after the complete silicon material of alkali cleaning is rinsed with clear water in acid solution and rolls cleaning；(4) taken out after the silicon material after pickling repeatedly being rolled cleaning with clear water；(5) silicon material sorting is carried out, picks block impurity；(6) dry, pack after the silicon material after sorting being carried out ultrasonic cleaning with pure water.By the control to silicon material cleaning way and soda acid scavenging period, reach the non-silicon impurities such as the crucible of infusibility of the multiple crystal-pulling flavoring food outer surface adherency of effectively cleaning, so that silicon material is reused, so as to effectively reduce the utilization cost of monocrystalline flavoring food.
Description
Technical field
The invention belongs to silicon materials to be recycled technical field, and in particular to what a kind of achievable monocrystalline flavoring food effectively cleaned
Technique.
Background technology
The monocrystalline flavoring food that multiple crystal-pulling silicon rod generates in industry, since the impurity such as the substantial amounts of crucible of its surface adhesion are because of difficulty
It is difficult to reuse with separation, silicon material sorting can only be carried out by the way of hand picking or is carried out with the HF modes impregnated
Cleaning, the sales value that this allows for this raw material are relatively low and very high using cost.Therefore, there are a large amount of such silicon in the market
Material is difficult to reuse, a kind of low cost, easily silicon material processing mode becomes inevitable demand.
The content of the invention
To solve the above-mentioned problems in the prior art, the present invention provides a kind of achievable monocrystalline flavoring food and effectively cleans
Technique, it is effective to remove monocrystalline flavoring food surface attachment crucible impurity.
The technical solution adopted by the present invention is as follows：
The technique that a kind of achievable monocrystalline flavoring food effectively cleans, comprises the following steps：
(1) bulk-shaped monocrystal flavoring food is poured into roller；
(2) roller of charging is put into soda bath and carries out rolling cleaning；
(3) it is put into after the complete silicon material of alkali cleaning is rinsed with clear water in acid solution and rolls cleaning；
(4) taken out after the silicon material after pickling repeatedly being rolled cleaning with clear water；
(5) silicon material sorting is carried out, picks block impurity；
(6) dry, pack after the silicon material after sorting being carried out ultrasonic cleaning with pure water.
Bulk-shaped monocrystal flavoring food accounts for the 1/4-1/3 of drum volume in the step (1), in order to silicon during rollers roll
Material has enough activity spaces.
The mass fraction of soda bath is 15%-20% in the step (2), and temperature is 35-40 DEG C, carries out rolling cleaning
Stop after 40-50min, to be corroded to silicon material surface and carry out frictional impact to surface impurity.
Acid solution is the mixed acid of hydrochloric acid and hydrofluoric acid in the step (3), volume ratio HF：HCl：Water=1:1:1~4,
Cleaning 10min-20min is rolled, to remove the lye on surface and part soluble impurity.
It is taken out after the silicon material after pickling is respectively rolled cleaning 3-5min with three clear water in the step (4), to wash
Acid solution.
In the step (5) by through soda acid cleaning process by corrode and collide isolated silicon material and block impurity into
Row screening, block impurity can be present in the bottom of silicon material in the form of nano sized particles, picked.
The step (6) is easy for the foreign ion in water removal.
Compared with prior art, the present invention has following excellent technique effect：
By the control to silicon material cleaning way and soda acid scavenging period, reach the multiple crystal-pulling flavoring food appearance of effectively cleaning
The non-silicon impurities such as the crucible of infusibility of face adherency, so that silicon material is reused, so as to effectively reduce monocrystalline pot
The utilization cost of bottom material.
Specific embodiment
Explanation is further explained to the present invention by the following examples：
Embodiment 1
The technique that a kind of achievable monocrystalline flavoring food effectively cleans, comprises the following steps：
(1) bulk-shaped monocrystal flavoring food 50kg is poured into roller, accounts for the 1/4-1/3 of drum volume；
(2) roller of charging is put into the soda bath that mass fraction is 15% (35 DEG C), carries out rolling cleaning 40min
After stop；
(3) be put into after the complete silicon material of alkali cleaning is rinsed with clear water in acid solution roll cleaning 10min (acid solution for hydrochloric acid with
The mixed acid of hydrofluoric acid, volume ratio HF：HCl：Water=1:1:2)；
(4) taken out after the silicon material after pickling respectively being rolled to cleaning 3min with three clear water, to wash acid solution；
(5) silicon material sorting is carried out, it will be miscellaneous by corroding and colliding isolated silicon material and bulk through soda acid cleaning process
Matter is sieved, and block impurity can be present in the bottom of silicon material in the form of nano sized particles, pick；
(6) dry, pack after the silicon material after sorting being carried out ultrasonic cleaning with pure water.
The silicon material cleaned by the method, can effectively remove monocrystalline flavoring food surface attachment crucible impurity.
Embodiment 2
The technique that a kind of achievable monocrystalline flavoring food effectively cleans, comprises the following steps：
(1) bulk-shaped monocrystal flavoring food 80kg is poured into roller, accounts for the 1/4-1/3 of drum volume；
(2) roller of charging is put into the soda bath that mass fraction is 20% (40 DEG C), carries out rolling cleaning 50min
After stop；
(3) be put into after the complete silicon material of alkali cleaning is rinsed with clear water in acid solution roll cleaning 20min (acid solution for hydrochloric acid with
The mixed acid of hydrofluoric acid, volume ratio HF：HCl：Water=1:1:2)；
(4) taken out after the silicon material after pickling respectively being rolled to cleaning 5min with three clear water, to wash acid solution；
(5) silicon material sorting is carried out, it will be miscellaneous by corroding and colliding isolated silicon material and bulk through soda acid cleaning process
Matter is sieved, and block impurity can be present in the bottom of silicon material in the form of nano sized particles, pick；
(6) dry, pack after the silicon material after sorting being carried out ultrasonic cleaning with pure water.
The silicon material cleaned by the method, can effectively remove monocrystalline flavoring food surface attachment crucible impurity.
Claims (6)
1. the technique that a kind of achievable monocrystalline flavoring food effectively cleans, which is characterized in that comprise the following steps：
(1) bulk-shaped monocrystal flavoring food is poured into roller；
(2) roller of charging is put into soda bath and carries out rolling cleaning；
(3) it is put into after the complete silicon material of alkali cleaning is rinsed with clear water in acid solution and rolls cleaning；
(4) taken out after the silicon material after pickling repeatedly being rolled cleaning with clear water；
(5) silicon material sorting is carried out, picks block impurity；
(6) dry, pack after the silicon material after sorting being carried out ultrasonic cleaning with pure water.
2. the technique that a kind of achievable monocrystalline flavoring food according to claim 1 effectively cleans, which is characterized in that the step
Suddenly bulk-shaped monocrystal flavoring food accounts for the 1/4-1/3 of drum volume in (1).
3. the technique that a kind of achievable monocrystalline flavoring food according to claim 1 effectively cleans, which is characterized in that the step
Suddenly the mass fraction of soda bath is 15%-20% in (2), and temperature is 35-40 DEG C, stop after rolling cleaning 40-50min
Only.
4. the technique that a kind of achievable monocrystalline flavoring food according to claim 1 effectively cleans, which is characterized in that the step
Suddenly acid solution is hydrochloric acid and the mixed acid of hydrofluoric acid in (3).
5. the technique that a kind of achievable monocrystalline flavoring food according to claim 4 effectively cleans, which is characterized in that the step
Suddenly acid solution volume ratio is HF in (3)：HCl：Water=1:1:1~4, roll cleaning 10min-20min.
6. the technique that a kind of achievable monocrystalline flavoring food according to claim 1 effectively cleans, which is characterized in that the step
Suddenly taken out after the silicon material after pickling respectively being rolled cleaning 3-5min with three clear water in (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627039.5A CN106276916B (en) | 2016-08-01 | 2016-08-01 | The technique that a kind of achievable monocrystalline flavoring food effectively cleans |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627039.5A CN106276916B (en) | 2016-08-01 | 2016-08-01 | The technique that a kind of achievable monocrystalline flavoring food effectively cleans |
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| Publication Number | Publication Date |
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| CN106276916A CN106276916A (en) | 2017-01-04 |
| CN106276916B true CN106276916B (en) | 2018-05-29 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424234C (en) * | 2005-07-19 | 2008-10-08 | 上海九晶电子材料股份有限公司 | Formulation and preparation of solar energy grade silicon single crystal material |
| US8460629B2 (en) * | 2008-12-01 | 2013-06-11 | Inductotherm Corp. | Purification of materials non-electrically conductive in the solid state and electrically conductive in the molten state with electric induction power |
| CN101440514B (en) * | 2008-12-08 | 2011-04-20 | 江西赛维Ldk太阳能高科技有限公司 | Method for recovering bottom material adhered to quartz crucible |
| CN102241401B (en) * | 2011-06-29 | 2013-03-20 | 山西晶都太阳能电力有限公司 | Separation method of quartz and silicon material in single crystal silicon crucible backing material |
| CN102671885B (en) * | 2012-05-18 | 2014-04-02 | 宁夏隆基硅材料有限公司 | Device and method for removing quartz from monocrystalline silicon pot material |
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