CN112899696A - 环保型不锈钢酸洗方法 - Google Patents
环保型不锈钢酸洗方法 Download PDFInfo
- Publication number
- CN112899696A CN112899696A CN202110113280.7A CN202110113280A CN112899696A CN 112899696 A CN112899696 A CN 112899696A CN 202110113280 A CN202110113280 A CN 202110113280A CN 112899696 A CN112899696 A CN 112899696A
- Authority
- CN
- China
- Prior art keywords
- acid solution
- stainless steel
- environment
- citric acid
- friendly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 39
- 239000010935 stainless steel Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005554 pickling Methods 0.000 title claims abstract description 23
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 120
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000002253 acid Substances 0.000 claims abstract description 35
- 238000005406 washing Methods 0.000 claims abstract description 30
- 102000004190 Enzymes Human genes 0.000 claims abstract description 17
- 108090000790 Enzymes Proteins 0.000 claims abstract description 17
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 17
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 17
- -1 polyoxyethylene Polymers 0.000 claims abstract description 17
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims abstract description 17
- 229940048086 sodium pyrophosphate Drugs 0.000 claims abstract description 17
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims abstract description 17
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 15
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 15
- 239000010881 fly ash Substances 0.000 claims abstract description 15
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 15
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 15
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims abstract description 15
- 235000019796 monopotassium phosphate Nutrition 0.000 claims abstract description 15
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 238000002161 passivation Methods 0.000 abstract description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
Landscapes
- 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 And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110113280.7A CN112899696A (zh) | 2021-01-27 | 2021-01-27 | 环保型不锈钢酸洗方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110113280.7A CN112899696A (zh) | 2021-01-27 | 2021-01-27 | 环保型不锈钢酸洗方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112899696A true CN112899696A (zh) | 2021-06-04 |
Family
ID=76119037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110113280.7A Pending CN112899696A (zh) | 2021-01-27 | 2021-01-27 | 环保型不锈钢酸洗方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112899696A (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1469124A (en) * | 1973-06-04 | 1977-03-30 | Tennant Co | Detergent composition |
CN101906655A (zh) * | 2010-07-08 | 2010-12-08 | 北京七星华创电子股份有限公司 | 不锈钢表面处理方法 |
CN104726881A (zh) * | 2015-02-12 | 2015-06-24 | 国家电网公司 | 一种高效环保的化学清洗方法 |
CN106435558A (zh) * | 2016-09-30 | 2017-02-22 | 合肥华运机械制造有限公司 | 一种化学泵不锈钢外壳的钝化处理工艺 |
TW201723232A (zh) * | 2015-12-22 | 2017-07-01 | Zen Material Technologies Inc | 除銹組成物及使用其的酸性除銹方法 |
CN108150288A (zh) * | 2017-12-18 | 2018-06-12 | 中国航发贵州黎阳航空动力有限公司 | 发动机导管除积碳方法 |
CN108220977A (zh) * | 2018-02-08 | 2018-06-29 | 江南大学 | 一种除油除锈防锈剂及其制备方法与应用 |
-
2021
- 2021-01-27 CN CN202110113280.7A patent/CN112899696A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1469124A (en) * | 1973-06-04 | 1977-03-30 | Tennant Co | Detergent composition |
CN101906655A (zh) * | 2010-07-08 | 2010-12-08 | 北京七星华创电子股份有限公司 | 不锈钢表面处理方法 |
CN104726881A (zh) * | 2015-02-12 | 2015-06-24 | 国家电网公司 | 一种高效环保的化学清洗方法 |
TW201723232A (zh) * | 2015-12-22 | 2017-07-01 | Zen Material Technologies Inc | 除銹組成物及使用其的酸性除銹方法 |
CN106435558A (zh) * | 2016-09-30 | 2017-02-22 | 合肥华运机械制造有限公司 | 一种化学泵不锈钢外壳的钝化处理工艺 |
CN108150288A (zh) * | 2017-12-18 | 2018-06-12 | 中国航发贵州黎阳航空动力有限公司 | 发动机导管除积碳方法 |
CN108220977A (zh) * | 2018-02-08 | 2018-06-29 | 江南大学 | 一种除油除锈防锈剂及其制备方法与应用 |
Non-Patent Citations (1)
Title |
---|
杨冬野等: "复合酸酸洗工艺在600MW超临界机组中的应用", 《清洗世界》, no. 05, 30 May 2008 (2008-05-30), pages 24 - 27 * |
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Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20221202 Address after: 210000 22 Yingxin Road, Zhongshan Science Park, Jiangbei new district, Nanjing, Jiangsu Province Applicant after: JIANGSU DAOCHENG STAINLESS STEEL PIPE INDUSTRY CO.,LTD. Applicant after: Jiangsu Daocheng Pipe Technology Co.,Ltd. Address before: 210000 22 Yingxin Road, Zhongshan Science Park, Jiangbei new district, Nanjing, Jiangsu Province Applicant before: JIANGSU DAOCHENG STAINLESS STEEL PIPE INDUSTRY CO.,LTD. |
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RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210604 |