CN102320610B - 一种太阳能级多晶硅脱硼的提纯方法 - Google Patents
一种太阳能级多晶硅脱硼的提纯方法 Download PDFInfo
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- CN102320610B CN102320610B CN 201110268626 CN201110268626A CN102320610B CN 102320610 B CN102320610 B CN 102320610B CN 201110268626 CN201110268626 CN 201110268626 CN 201110268626 A CN201110268626 A CN 201110268626A CN 102320610 B CN102320610 B CN 102320610B
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- Prior art keywords
- slag
- silicon
- boron
- polysilicon
- solar
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 41
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052796 boron Inorganic materials 0.000 title claims abstract description 35
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 32
- 229920005591 polysilicon Polymers 0.000 title claims abstract description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 58
- 239000010703 silicon Substances 0.000 claims abstract description 57
- 238000007670 refining Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000002893 slag Substances 0.000 claims description 76
- 238000000746 purification Methods 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 6
- 229910001570 bauxite Inorganic materials 0.000 abstract 1
- 230000008569 process Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000007664 blowing Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 210000002615 epidermis Anatomy 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005272 metallurgy Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 101100373011 Drosophila melanogaster wapl gene Proteins 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 210000004483 pasc Anatomy 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Silicon Compounds (AREA)
Abstract
Description
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CN 201110268626 CN102320610B (zh) | 2011-09-13 | 2011-09-13 | 一种太阳能级多晶硅脱硼的提纯方法 |
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CN 201110268626 CN102320610B (zh) | 2011-09-13 | 2011-09-13 | 一种太阳能级多晶硅脱硼的提纯方法 |
Publications (2)
Publication Number | Publication Date |
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CN102320610A CN102320610A (zh) | 2012-01-18 |
CN102320610B true CN102320610B (zh) | 2013-02-27 |
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CN 201110268626 Expired - Fee Related CN102320610B (zh) | 2011-09-13 | 2011-09-13 | 一种太阳能级多晶硅脱硼的提纯方法 |
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CN (1) | CN102320610B (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1143605A (zh) * | 1995-08-22 | 1997-02-26 | 李忠莆 | 精炼硅生产工艺 |
CN101671023A (zh) * | 2009-09-15 | 2010-03-17 | 厦门大学 | 一种多晶硅除硼提纯方法 |
CN102001662A (zh) * | 2010-12-10 | 2011-04-06 | 云南乾元光能产业有限公司 | 一种去除工业硅中硼、磷及其它杂质的综合利用方法 |
CN102001661A (zh) * | 2010-11-22 | 2011-04-06 | 东海晶澳太阳能科技有限公司 | 一种冶金硅造渣除硼提纯方法 |
-
2011
- 2011-09-13 CN CN 201110268626 patent/CN102320610B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1143605A (zh) * | 1995-08-22 | 1997-02-26 | 李忠莆 | 精炼硅生产工艺 |
CN101671023A (zh) * | 2009-09-15 | 2010-03-17 | 厦门大学 | 一种多晶硅除硼提纯方法 |
CN102001661A (zh) * | 2010-11-22 | 2011-04-06 | 东海晶澳太阳能科技有限公司 | 一种冶金硅造渣除硼提纯方法 |
CN102001662A (zh) * | 2010-12-10 | 2011-04-06 | 云南乾元光能产业有限公司 | 一种去除工业硅中硼、磷及其它杂质的综合利用方法 |
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CN102320610A (zh) | 2012-01-18 |
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