CN105256320B - 一种多晶硅设备的化学络合清洗方法 - Google Patents
一种多晶硅设备的化学络合清洗方法 Download PDFInfo
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- CN105256320B CN105256320B CN201510715726.8A CN201510715726A CN105256320B CN 105256320 B CN105256320 B CN 105256320B CN 201510715726 A CN201510715726 A CN 201510715726A CN 105256320 B CN105256320 B CN 105256320B
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- equipment
- cleaning
- complexing
- polysilicon
- water
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- 238000004140 cleaning Methods 0.000 title claims abstract description 113
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 54
- 229920005591 polysilicon Polymers 0.000 title claims abstract description 53
- 239000000126 substance Substances 0.000 title claims abstract description 23
- 230000000536 complexating effect Effects 0.000 title claims description 67
- 238000000034 method Methods 0.000 title claims description 40
- 230000007797 corrosion Effects 0.000 claims abstract description 17
- 238000005260 corrosion Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 9
- 238000007654 immersion Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 32
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 30
- 238000005238 degreasing Methods 0.000 claims description 21
- 238000002161 passivation Methods 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 20
- 239000002270 dispersing agent Substances 0.000 claims description 19
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 239000002736 nonionic surfactant Substances 0.000 claims description 17
- 229910021529 ammonia Inorganic materials 0.000 claims description 16
- 239000002738 chelating agent Substances 0.000 claims description 16
- -1 iron ion Chemical class 0.000 claims description 16
- 150000002191 fatty alcohols Chemical group 0.000 claims description 15
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 15
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 15
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical class [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 150000007524 organic acids Chemical class 0.000 claims description 13
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 12
- 239000000908 ammonium hydroxide Substances 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 239000007800 oxidant agent Substances 0.000 claims description 11
- 230000001590 oxidative effect Effects 0.000 claims description 11
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 10
- 239000003223 protective agent Substances 0.000 claims description 9
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 8
- 239000010962 carbon steel Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 6
- 239000013527 degreasing agent Substances 0.000 claims description 5
- 238000005237 degreasing agent Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 150000002978 peroxides Chemical group 0.000 claims description 5
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims description 5
- 239000012286 potassium permanganate Substances 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000005422 blasting Methods 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000000295 fuel oil Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 3
- 238000005554 pickling Methods 0.000 abstract description 3
- 230000009967 tasteless effect Effects 0.000 abstract description 3
- 239000008139 complexing agent Substances 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 description 11
- 239000012459 cleaning agent Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 229910021642 ultra pure water Inorganic materials 0.000 description 5
- 239000012498 ultrapure water Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 235000005979 Citrus limon Nutrition 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 244000248349 Citrus limon Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 244000131522 Citrus pyriformis Species 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical class ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Abstract
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CN201510715726.8A CN105256320B (zh) | 2015-10-28 | 2015-10-28 | 一种多晶硅设备的化学络合清洗方法 |
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CN201510715726.8A CN105256320B (zh) | 2015-10-28 | 2015-10-28 | 一种多晶硅设备的化学络合清洗方法 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106367815B (zh) * | 2016-09-12 | 2018-10-19 | 英利能源(中国)有限公司 | 单晶硅制绒设备的清洗方法 |
CN107460487B (zh) * | 2017-08-11 | 2019-01-04 | 中国化学工程第六建设有限公司 | 高压氧气管道内壁脱脂清洗方法 |
CN110644049A (zh) * | 2018-06-26 | 2020-01-03 | 上海硅洋新能源科技有限公司 | 金刚线多晶硅片制绒添加剂及金刚线多晶硅片制绒刻蚀液 |
CN112404026B (zh) * | 2020-09-11 | 2022-03-01 | 上海金堂轻纺新材料科技有限公司 | 一种除油污废水循环利用的工艺 |
CN115992032A (zh) * | 2023-01-19 | 2023-04-21 | 通威太阳能(安徽)有限公司 | 制绒清洗设备的槽体清洗剂及槽体清洗方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102231357A (zh) * | 2011-05-12 | 2011-11-02 | 陕西建工集团设备安装工程有限公司 | 一种电子级多晶硅工艺管道洁净度控制施工方法 |
CN102259100A (zh) * | 2011-05-12 | 2011-11-30 | 陕西建工集团设备安装工程有限公司 | 一种电子级多晶硅生产设备及工艺管道的清洗方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN102231357A (zh) * | 2011-05-12 | 2011-11-02 | 陕西建工集团设备安装工程有限公司 | 一种电子级多晶硅工艺管道洁净度控制施工方法 |
CN102259100A (zh) * | 2011-05-12 | 2011-11-30 | 陕西建工集团设备安装工程有限公司 | 一种电子级多晶硅生产设备及工艺管道的清洗方法 |
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Denomination of invention: Chemical complexing cleaning method for polycrystalline silicon equipment Effective date of registration: 20190523 Granted publication date: 20180427 Pledgee: Chang'an Bank Co.,Ltd. Xianyang People's East Road Branch Pledgor: SHAANXI ZHUANGCHEN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: 2019610000101 |
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Date of cancellation: 20200611 Granted publication date: 20180427 Pledgee: Chang'an Bank Co.,Ltd. Xianyang People's East Road Branch Pledgor: SHAANXI ZHUANGCHEN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: 2019610000101 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Chemical complexing cleaning method for polycrystalline silicon equipment Effective date of registration: 20200612 Granted publication date: 20180427 Pledgee: Chang'an Bank Co.,Ltd. Xianyang People's East Road Branch Pledgor: SHAANXI ZHUANGCHEN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2020980003025 |
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Date of cancellation: 20210615 Granted publication date: 20180427 Pledgee: Chang'an Bank Co.,Ltd. Xianyang People's East Road Branch Pledgor: SHAANXI ZHUANGCHEN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2020980003025 |
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Denomination of invention: A chemical complexing cleaning method for polysilicon equipment Effective date of registration: 20210616 Granted publication date: 20180427 Pledgee: Chang'an Bank Co.,Ltd. Xianyang People's East Road Branch Pledgor: SHAANXI ZHUANGCHEN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2021980004840 |
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Date of cancellation: 20230517 Granted publication date: 20180427 Pledgee: Chang'an Bank Co.,Ltd. Xianyang People's East Road Branch Pledgor: SHAANXI ZHUANGCHEN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2021980004840 |