JP6363037B2 - 貫流ボイラの火炉壁管の洗浄方法 - Google Patents
貫流ボイラの火炉壁管の洗浄方法 Download PDFInfo
- Publication number
- JP6363037B2 JP6363037B2 JP2015042501A JP2015042501A JP6363037B2 JP 6363037 B2 JP6363037 B2 JP 6363037B2 JP 2015042501 A JP2015042501 A JP 2015042501A JP 2015042501 A JP2015042501 A JP 2015042501A JP 6363037 B2 JP6363037 B2 JP 6363037B2
- Authority
- JP
- Japan
- Prior art keywords
- cleaning
- scale
- furnace wall
- wall tube
- once
- 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.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims description 237
- 238000000034 method Methods 0.000 title claims description 47
- 239000000843 powder Substances 0.000 claims description 78
- 239000007788 liquid Substances 0.000 claims description 67
- 239000002245 particle Substances 0.000 claims description 41
- 238000012360 testing method Methods 0.000 claims description 32
- 239000000126 substance Substances 0.000 claims description 28
- 238000007254 oxidation reaction Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000005406 washing Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 4
- 239000010802 sludge Substances 0.000 claims description 2
- 238000004299 exfoliation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 14
- 239000002184 metal Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000012530 fluid Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 4
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 4
- 150000007524 organic acids Chemical class 0.000 description 4
- 238000007922 dissolution test Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229960004275 glycolic acid Drugs 0.000 description 2
- 229910052595 hematite Inorganic materials 0.000 description 2
- 239000011019 hematite Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 239000002101 nanobubble Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000001261 hydroxy acids Chemical class 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices or arrangements for removing water, minerals or sludge from boilers ; Arrangement of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/52—Washing-out devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/56—Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Baking, Grill, Roasting (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015042501A JP6363037B2 (ja) | 2015-03-04 | 2015-03-04 | 貫流ボイラの火炉壁管の洗浄方法 |
| SG11201706388PA SG11201706388PA (en) | 2015-03-04 | 2015-10-05 | Method for cleaning furnace wall tube of once-through boiler |
| PCT/JP2015/078193 WO2016139837A1 (ja) | 2015-03-04 | 2015-10-05 | 貫流ボイラの火炉壁管の洗浄方法 |
| CN201580075312.1A CN107208879B (zh) | 2015-03-04 | 2015-10-05 | 直流锅炉的火炉壁管的清洗方法 |
| TW104133694A TWI593929B (zh) | 2015-03-04 | 2015-10-14 | Tubular boiler Tubular tube cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015042501A JP6363037B2 (ja) | 2015-03-04 | 2015-03-04 | 貫流ボイラの火炉壁管の洗浄方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016161255A JP2016161255A (ja) | 2016-09-05 |
| JP6363037B2 true JP6363037B2 (ja) | 2018-07-25 |
Family
ID=56846565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015042501A Active JP6363037B2 (ja) | 2015-03-04 | 2015-03-04 | 貫流ボイラの火炉壁管の洗浄方法 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6363037B2 (zh) |
| CN (1) | CN107208879B (zh) |
| SG (1) | SG11201706388PA (zh) |
| TW (1) | TWI593929B (zh) |
| WO (1) | WO2016139837A1 (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6774148B2 (ja) * | 2017-04-12 | 2020-10-21 | 三菱パワー株式会社 | スケール除去方法及びスケール除去装置 |
| JP7051474B2 (ja) * | 2018-02-09 | 2022-04-11 | 三菱重工業株式会社 | 化学洗浄装置及びそれを用いた化学洗浄方法 |
| JP7119898B2 (ja) * | 2018-10-25 | 2022-08-17 | 東京電力ホールディングス株式会社 | ボイラの化学洗浄方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5037483A (en) * | 1990-01-30 | 1991-08-06 | Nalco Chemical Company | On-line iron clean-up |
| CN2633878Y (zh) * | 2003-07-18 | 2004-08-18 | 来庆东 | 自净化锅炉 |
| JP2006322672A (ja) * | 2005-05-19 | 2006-11-30 | Ebara Kogyo Senjo Kk | ドラム型ボイラスケールの一貫洗浄方法およびそのための洗浄システム |
| DE102007023247B3 (de) * | 2007-03-07 | 2008-08-07 | Areva Np Gmbh | Verfahren zur Entfernung von Magnetit und Kupfer enthaltenden Ablagerungen aus Behältern von Industrie- und Kraftwerksanlagen |
| JP5786277B2 (ja) * | 2010-03-31 | 2015-09-30 | 栗田工業株式会社 | スケール除去方法及びスケール除去剤 |
| JP2011227011A (ja) * | 2010-04-23 | 2011-11-10 | Babcock-Hitachi Co Ltd | スケール熱伝導率測定装置 |
| JP2014153033A (ja) * | 2013-02-13 | 2014-08-25 | Babcock-Hitachi Co Ltd | ボイラ装置の保全方法 |
| US9834462B2 (en) * | 2013-04-02 | 2017-12-05 | Kurita Water Industries, Ltd. | Method for removing scales in steam generation facility |
| JP5721888B1 (ja) * | 2014-07-04 | 2015-05-20 | 三菱日立パワーシステムズ株式会社 | 化学洗浄方法及び化学洗浄装置 |
-
2015
- 2015-03-04 JP JP2015042501A patent/JP6363037B2/ja active Active
- 2015-10-05 SG SG11201706388PA patent/SG11201706388PA/en unknown
- 2015-10-05 WO PCT/JP2015/078193 patent/WO2016139837A1/ja active Application Filing
- 2015-10-05 CN CN201580075312.1A patent/CN107208879B/zh not_active Expired - Fee Related
- 2015-10-14 TW TW104133694A patent/TWI593929B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107208879A (zh) | 2017-09-26 |
| CN107208879B (zh) | 2019-05-03 |
| TW201636557A (zh) | 2016-10-16 |
| SG11201706388PA (en) | 2017-09-28 |
| TWI593929B (zh) | 2017-08-01 |
| WO2016139837A1 (ja) | 2016-09-09 |
| JP2016161255A (ja) | 2016-09-05 |
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