CN101892489B - Cleaning agent for flue dust scale on surface of gas heat exchanger of gas desulfurization system and preparation method thereof - Google Patents
Cleaning agent for flue dust scale on surface of gas heat exchanger of gas desulfurization system and preparation method thereof Download PDFInfo
- Publication number
- CN101892489B CN101892489B CN201010237072XA CN201010237072A CN101892489B CN 101892489 B CN101892489 B CN 101892489B CN 201010237072X A CN201010237072X A CN 201010237072XA CN 201010237072 A CN201010237072 A CN 201010237072A CN 101892489 B CN101892489 B CN 101892489B
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- China
- Prior art keywords
- cleaning
- acid
- cleaning agent
- heat exchanger
- flue dust
- 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.)
- Expired - Fee Related
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- 239000012459 cleaning agent Substances 0.000 title claims abstract description 27
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 24
- 230000023556 desulfurization Effects 0.000 title claims abstract description 24
- 239000003500 flue dust Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 61
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 56
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003112 inhibitor Substances 0.000 claims abstract description 18
- 238000005554 pickling Methods 0.000 claims abstract description 17
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 13
- 230000007797 corrosion Effects 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims abstract description 9
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000654 additive Substances 0.000 claims description 21
- 230000000996 additive effect Effects 0.000 claims description 21
- 239000002253 acid Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 16
- 238000005660 chlorination reaction Methods 0.000 claims description 4
- OGQYPPBGSLZBEG-UHFFFAOYSA-N dimethyl(dioctadecyl)azanium Chemical compound CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCCCC OGQYPPBGSLZBEG-UHFFFAOYSA-N 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 239000000837 restrainer Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract description 15
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract description 12
- KHSLHYAUZSPBIU-UHFFFAOYSA-M benzododecinium bromide Chemical compound [Br-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 KHSLHYAUZSPBIU-UHFFFAOYSA-M 0.000 abstract description 9
- 235000019253 formic acid Nutrition 0.000 abstract description 6
- 235000006408 oxalic acid Nutrition 0.000 abstract description 5
- 210000003298 dental enamel Anatomy 0.000 abstract description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 abstract 1
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 abstract 1
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 abstract 1
- REZZEXDLIUJMMS-UHFFFAOYSA-M dimethyldioctadecylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCCCC REZZEXDLIUJMMS-UHFFFAOYSA-M 0.000 abstract 1
- 239000004664 distearyldimethylammonium chloride (DHTDMAC) Substances 0.000 abstract 1
- 229960001484 edetic acid Drugs 0.000 abstract 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 32
- 238000000034 method Methods 0.000 description 13
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 4
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002000 scavenging effect Effects 0.000 description 3
- 239000012467 final product Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010237072XA CN101892489B (en) | 2010-07-23 | 2010-07-23 | Cleaning agent for flue dust scale on surface of gas heat exchanger of gas desulfurization system and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010237072XA CN101892489B (en) | 2010-07-23 | 2010-07-23 | Cleaning agent for flue dust scale on surface of gas heat exchanger of gas desulfurization system and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
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CN101892489A CN101892489A (en) | 2010-11-24 |
CN101892489B true CN101892489B (en) | 2012-11-07 |
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CN201010237072XA Expired - Fee Related CN101892489B (en) | 2010-07-23 | 2010-07-23 | Cleaning agent for flue dust scale on surface of gas heat exchanger of gas desulfurization system and preparation method thereof |
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CN (1) | CN101892489B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103361658B (en) * | 2013-07-29 | 2015-10-07 | 宜昌江峡船用机械有限责任公司 | The removing method of screw corrosion |
CN103468420A (en) * | 2013-08-20 | 2013-12-25 | 李从波 | Weak acid cleaner and application thereof to removal of GGH (gas-gas heater) hard scale |
CN104233329B (en) * | 2014-09-15 | 2017-04-12 | 河北省科学院能源研究所 | Chemical cleaning method of heat exchanger |
CN105200442A (en) * | 2014-11-29 | 2015-12-30 | 董亚伦 | Boiler detergent |
CN105016629B (en) * | 2015-08-05 | 2018-01-23 | 福耀玻璃工业集团股份有限公司 | A kind of pickle and method for washing glassy silicate glass plate |
CN105821424A (en) * | 2016-05-30 | 2016-08-03 | 江阴市亚龙换热设备有限公司 | Cleaning method of stainless steel plate heat exchanger |
CN106190649B (en) * | 2016-07-11 | 2019-06-28 | 广州安达净水材料有限公司 | A kind of method that cleaning solution and its cleaning PCB move back molten tin bath |
CN110360870A (en) * | 2019-07-11 | 2019-10-22 | 陈龙 | A kind of cleaning method of rotary regenerative air preheater |
CN114032149A (en) * | 2020-12-29 | 2022-02-11 | 无锡卓能环境科技有限公司 | Cleaning agent for spray drying type flue gas desulfurization equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101555441A (en) * | 2008-04-09 | 2009-10-14 | 中国神华能源股份有限公司 | Cleaning agent and cleaning process of GGH heat exchange component |
Family Cites Families (10)
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CN1047409C (en) * | 1997-03-07 | 1999-12-15 | 沈阳市巨龙防腐技术研究所 | Normal-temp copper pickling corrosion inhibitor |
JP3510796B2 (en) * | 1998-07-24 | 2004-03-29 | 朝日化学工業株式会社 | Corrosion inhibitor for acid cleaning of metal, cleaning liquid composition containing the same, and method of cleaning metal using the same |
US6346217B1 (en) * | 1999-06-02 | 2002-02-12 | Water Whole International, Inc. | Composition and method for cleaning drink water tanks |
CN1172025C (en) * | 2002-02-07 | 2004-10-20 | 中国石油化工股份有限公司 | Corrosion inhibiting method for cooling water system of production equipment in shutdown period |
US8668779B2 (en) * | 2002-04-30 | 2014-03-11 | Nalco Company | Method of simultaneously cleaning and disinfecting industrial water systems |
CN100334011C (en) * | 2005-12-05 | 2007-08-29 | 赵清顺 | Sterilization inhibitor for circulated cooling water treatment |
CN100523162C (en) * | 2005-12-09 | 2009-08-05 | 安徽铜都特种环保设备股份有限公司 | Detergent for cleaning ceramic filtering plate |
US20070164258A1 (en) * | 2006-01-17 | 2007-07-19 | Johnsondiversey, Inc. | Enhanced galvanized corrosion inhibitor |
US8323416B2 (en) * | 2008-06-30 | 2012-12-04 | Uop Llc | Process and composition for removing a scale deposit |
CN101634030B (en) * | 2009-01-22 | 2011-03-30 | 湖南省湘电试验研究院有限公司 | Acid-cleaning inhibiter for cleaning boiler and use method thereof |
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2010
- 2010-07-23 CN CN201010237072XA patent/CN101892489B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101555441A (en) * | 2008-04-09 | 2009-10-14 | 中国神华能源股份有限公司 | Cleaning agent and cleaning process of GGH heat exchange component |
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Publication number | Publication date |
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CN101892489A (en) | 2010-11-24 |
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Owner name: ZHANG MING GUO DEHUA Effective date: 20130118 Owner name: HE GUANGHUI Free format text: FORMER OWNER: GUANGZHOU WEIPU ELECTRIC POWER TECHNOLOGY CO., LTD. Effective date: 20130118 |
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Effective date of registration: 20130118 Address after: 414000 Hunan city in Yueyang province Yueyang Tower District No. 735 Chong large neighborhood Patentee after: He Guanghui Patentee after: Zhang Ming Patentee after: Guo Dehua Address before: 703, room 2, Tian An hi tech Industrial Park, 730 Yingbin Road, Guangdong, Guangzhou, Panyu District 511400, China Patentee before: GZ WEP ELECTRIC TECHNOLOGY Co.,Ltd. |
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Owner name: GUANGZHOU PUKAI ENVIRONMENTAL PROTECTION TECHNOLOG Free format text: FORMER OWNER: HE GUANGHUI Effective date: 20140128 Free format text: FORMER OWNER: ZHANG MING GUO DEHUA Effective date: 20140128 |
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Effective date of registration: 20140128 Address after: 511400, A033, room fourth, 1165-1185 (odd number), West Ring Road, Panyu District bridge, Guangzhou, Guangdong Patentee after: GUANGZHOU PUKAI ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 414000 Hunan city in Yueyang province Yueyang Tower District No. 735 Chong large neighborhood Patentee before: He Guanghui Patentee before: Zhang Ming Patentee before: Guo Dehua |
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