CN1084300C - 消除氧化铝生产中蒸发器内碳酸钠结垢的方法 - Google Patents
消除氧化铝生产中蒸发器内碳酸钠结垢的方法 Download PDFInfo
- Publication number
- CN1084300C CN1084300C CN98112243A CN98112243A CN1084300C CN 1084300 C CN1084300 C CN 1084300C CN 98112243 A CN98112243 A CN 98112243A CN 98112243 A CN98112243 A CN 98112243A CN 1084300 C CN1084300 C CN 1084300C
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- evaporator
- primary liquid
- vaporizer
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 title claims abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 238000009835 boiling Methods 0.000 title abstract description 4
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000006200 vaporizer Substances 0.000 claims description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 235000017550 sodium carbonate Nutrition 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98112243A CN1084300C (zh) | 1998-09-09 | 1998-09-09 | 消除氧化铝生产中蒸发器内碳酸钠结垢的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98112243A CN1084300C (zh) | 1998-09-09 | 1998-09-09 | 消除氧化铝生产中蒸发器内碳酸钠结垢的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1215697A CN1215697A (zh) | 1999-05-05 |
CN1084300C true CN1084300C (zh) | 2002-05-08 |
Family
ID=5222113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN98112243A Expired - Fee Related CN1084300C (zh) | 1998-09-09 | 1998-09-09 | 消除氧化铝生产中蒸发器内碳酸钠结垢的方法 |
Country Status (1)
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CN (1) | CN1084300C (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100450931C (zh) * | 2005-05-18 | 2009-01-14 | 贵阳铝镁设计研究院 | 氧化铝生产中碳酸盐的排除方法 |
CN102553864A (zh) * | 2010-12-29 | 2012-07-11 | 中国铝业股份有限公司 | 水溶法清洗高压溶出系统结疤的方法 |
CN102502730A (zh) * | 2011-09-30 | 2012-06-20 | 中国铝业股份有限公司 | 一种在线水洗氧化铝蒸发器的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06247710A (ja) * | 1993-02-19 | 1994-09-06 | Sumitomo Chem Co Ltd | 循環アルミン酸アルカリ溶液からの水の除去方法 |
-
1998
- 1998-09-09 CN CN98112243A patent/CN1084300C/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06247710A (ja) * | 1993-02-19 | 1994-09-06 | Sumitomo Chem Co Ltd | 循環アルミン酸アルカリ溶液からの水の除去方法 |
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Publication number | Publication date |
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CN1215697A (zh) | 1999-05-05 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHINESE ALUMINIUM CO., LTD. Free format text: FORMER OWNER: GUIZHOU ALUMINUM FACTORY Effective date: 20030214 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20030214 Address after: 100814, Fuxing Road, Beijing, No. 12, No. 10 Patentee after: Aluminum Corporation of China Limited Address before: 550017 Guizhou aluminium factory, Baiyun District, Guizhou, Guiyang Patentee before: Guizhou Aluminium Plant |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020508 Termination date: 20091009 |