CN104480487B - 一种清洗湿法磷酸浓缩系统用水封闭循环利用方法 - Google Patents
一种清洗湿法磷酸浓缩系统用水封闭循环利用方法 Download PDFInfo
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- CN104480487B CN104480487B CN201410673508.8A CN201410673508A CN104480487B CN 104480487 B CN104480487 B CN 104480487B CN 201410673508 A CN201410673508 A CN 201410673508A CN 104480487 B CN104480487 B CN 104480487B
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- Prior art keywords
- phosphoric acid
- wet
- cleaning
- cleanout fluid
- acid concentration
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410673508.8A CN104480487B (zh) | 2014-11-21 | 2014-11-21 | 一种清洗湿法磷酸浓缩系统用水封闭循环利用方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410673508.8A CN104480487B (zh) | 2014-11-21 | 2014-11-21 | 一种清洗湿法磷酸浓缩系统用水封闭循环利用方法 |
Publications (2)
Publication Number | Publication Date |
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CN104480487A CN104480487A (zh) | 2015-04-01 |
CN104480487B true CN104480487B (zh) | 2016-12-07 |
Family
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CN201410673508.8A Expired - Fee Related CN104480487B (zh) | 2014-11-21 | 2014-11-21 | 一种清洗湿法磷酸浓缩系统用水封闭循环利用方法 |
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CN (1) | CN104480487B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107525432A (zh) * | 2017-08-22 | 2017-12-29 | 贵阳开磷化肥有限公司 | 一种浓缩湿法磷酸用石墨换热器清洗的方法 |
CN113458064A (zh) * | 2021-07-20 | 2021-10-01 | 内蒙古大地云天化工有限公司 | 磷化工生产装置浓缩系统清洗方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2190726A1 (en) * | 1972-06-29 | 1974-02-01 | Spie Batignolles | Concd phosphoric acid purifn - by removing suspended solids in two stages before and after concn |
CN101591010A (zh) * | 2008-05-30 | 2009-12-02 | 安徽六国化工股份有限公司 | 强制循环真空蒸发法磷酸浓缩装置的清洗方法 |
CN101758048A (zh) * | 2009-11-17 | 2010-06-30 | 瓮福(集团)有限责任公司 | 一种磷酸贮槽清洗除垢的方法 |
CN102506608A (zh) * | 2011-10-08 | 2012-06-20 | 瓮福(集团)有限责任公司 | 一种清洗湿法磷酸浓缩换热器的方法 |
-
2014
- 2014-11-21 CN CN201410673508.8A patent/CN104480487B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2190726A1 (en) * | 1972-06-29 | 1974-02-01 | Spie Batignolles | Concd phosphoric acid purifn - by removing suspended solids in two stages before and after concn |
CN101591010A (zh) * | 2008-05-30 | 2009-12-02 | 安徽六国化工股份有限公司 | 强制循环真空蒸发法磷酸浓缩装置的清洗方法 |
CN101758048A (zh) * | 2009-11-17 | 2010-06-30 | 瓮福(集团)有限责任公司 | 一种磷酸贮槽清洗除垢的方法 |
CN102506608A (zh) * | 2011-10-08 | 2012-06-20 | 瓮福(集团)有限责任公司 | 一种清洗湿法磷酸浓缩换热器的方法 |
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CN104480487A (zh) | 2015-04-01 |
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Effective date of registration: 20161018 Address after: No. 237 Jinyang City Kailin Lake District Road 550009 Guizhou city of Guiyang Province Applicant after: GUIZHOU KAILIN GROUP Co.,Ltd. Address before: Xifeng County in Guizhou Province, Guiyang city town 551109 Applicant before: GUIYANG SINOCHEM KAILIN FERTILIZER Co.,Ltd. |
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Effective date of registration: 20170621 Address after: Guizhou province Guiyang City Kaiyang County 550302 gold town (office building No. 2) Patentee after: GUIZHOU KAILIN GROUP MINERAL FERTILIZER Co.,Ltd. Address before: No. 237 Jinyang City Kailin Lake District Road 550009 Guizhou city of Guiyang Province Patentee before: GUIZHOU KAILIN GROUP Co.,Ltd. |
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Granted publication date: 20161207 Termination date: 20211121 |