EP2455514A4 - Method for treating iron-based metal surface which is exposed to superheated steam - Google Patents

Method for treating iron-based metal surface which is exposed to superheated steam Download PDF

Info

Publication number
EP2455514A4
EP2455514A4 EP10797074.1A EP10797074A EP2455514A4 EP 2455514 A4 EP2455514 A4 EP 2455514A4 EP 10797074 A EP10797074 A EP 10797074A EP 2455514 A4 EP2455514 A4 EP 2455514A4
Authority
EP
European Patent Office
Prior art keywords
exposed
metal surface
superheated steam
based metal
treating iron
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.)
Withdrawn
Application number
EP10797074.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2455514A1 (en
Inventor
Yoshiyuki Abe
Masamichi Miyajima
Kazuo Marugame
Masaki Yoshida
Yuji Shimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chubu Electric Power Co Inc
Naigai Chemical Products Co Ltd
Original Assignee
Chubu Electric Power Co Inc
Naigai Chemical Products Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chubu Electric Power Co Inc, Naigai Chemical Products Co Ltd filed Critical Chubu Electric Power Co Inc
Publication of EP2455514A1 publication Critical patent/EP2455514A1/en
Publication of EP2455514A4 publication Critical patent/EP2455514A4/en
Withdrawn legal-status Critical Current

Links

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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
    • C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
    • 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
    • F22B37/025—Devices and methods for diminishing corrosion, e.g. by preventing cooling beneath the dew point

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
EP10797074.1A 2009-07-06 2010-07-01 Method for treating iron-based metal surface which is exposed to superheated steam Withdrawn EP2455514A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009159887A JP5363893B2 (ja) 2009-07-06 2009-07-06 過熱水蒸気に曝される鉄系金属表面の処理方法
PCT/JP2010/061264 WO2011004763A1 (ja) 2009-07-06 2010-07-01 過熱水蒸気に曝される鉄系金属表面の処理方法

Publications (2)

Publication Number Publication Date
EP2455514A1 EP2455514A1 (en) 2012-05-23
EP2455514A4 true EP2455514A4 (en) 2018-01-10

Family

ID=43429185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10797074.1A Withdrawn EP2455514A4 (en) 2009-07-06 2010-07-01 Method for treating iron-based metal surface which is exposed to superheated steam

Country Status (4)

Country Link
US (1) US20120145187A1 (ja)
EP (1) EP2455514A4 (ja)
JP (1) JP5363893B2 (ja)
WO (1) WO2011004763A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013065686A1 (ja) 2011-11-01 2013-05-10 内外化学製品株式会社 金属管の腐食モニタリング装置およびその用途
US10272475B2 (en) 2012-11-07 2019-04-30 General, Electric Company Offline compressor wash systems and methods
US9670796B2 (en) 2012-11-07 2017-06-06 General Electric Company Compressor bellmouth with a wash door
US9759131B2 (en) 2013-12-06 2017-09-12 General Electric Company Gas turbine engine systems and methods for imparting corrosion resistance to gas turbine engines
JP6762010B2 (ja) * 2016-08-17 2020-09-30 株式会社片山化学工業研究所 ボイラの水処理剤およびそれを用いるボイラの水処理方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025189A (en) * 1958-12-10 1962-03-13 Purex Corp Ltd Composition and process for removing heat scale from metal parts
JPH01159388A (ja) * 1987-12-16 1989-06-22 Mitsubishi Heavy Ind Ltd 難溶性スケールの化学的洗浄方法
JPH0356681A (ja) * 1989-07-21 1991-03-12 Katayama Chem Works Co Ltd 純水ボイラの水処理剤及び水処理方法
US5169563A (en) * 1989-07-14 1992-12-08 Katayama Chemical Inc. Water treatment agent and water treatment method for a boiler
JP2001070986A (ja) * 1999-09-09 2001-03-21 Fujisawa Pharmaceut Co Ltd スケール防止剤および高温高圧水系用水処理剤
JP3162099B2 (ja) * 1991-04-30 2001-04-25 株式会社片山化学工業研究所 軟水ボイラの水処理法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3000829A (en) * 1958-06-12 1961-09-19 Purex Corp Ltd Composition and process for descaling metal parts
US3095380A (en) * 1958-07-14 1963-06-25 Purex Corp Ltd Composition for removal of heat scale and carbon deposits
US3072502A (en) * 1961-02-14 1963-01-08 Pfizer & Co C Process for removing copper-containing iron oxide scale from metal surfaces
ZA656244B (ja) * 1964-11-27
FR2180481B1 (ja) * 1972-04-18 1974-12-20 Raffinage Cie Francaise
US3996062A (en) * 1975-08-28 1976-12-07 Halliburton Company Method for removing scale from metallic substrates
US4032460A (en) * 1975-10-28 1977-06-28 Union Oil Company Of California Inhibition of scale deposition in high temperature wells
JP2601788B2 (ja) * 1984-01-24 1997-04-16 三菱重工業株式会社 防錆剤
US5322635A (en) * 1991-05-16 1994-06-21 H.E.R.C. Incorporated Soap compositions of carboxylic acids and amines useful in removal and prevention of scale
US6740168B2 (en) * 2001-06-20 2004-05-25 Dominion Engineering Inc. Scale conditioning agents
US20070001150A1 (en) * 2005-06-29 2007-01-04 Hudgens Roy D Corrosion-inhibiting composition and method of use
JP4711779B2 (ja) * 2005-08-24 2011-06-29 中部電力株式会社 水蒸気配管の酸化抑制方法及び水蒸気供給装置
JP5583789B2 (ja) * 2010-01-26 2014-09-03 ウエスチングハウス・エレクトリック・カンパニー・エルエルシー 堆積物を除去する方法及び組成物

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025189A (en) * 1958-12-10 1962-03-13 Purex Corp Ltd Composition and process for removing heat scale from metal parts
JPH01159388A (ja) * 1987-12-16 1989-06-22 Mitsubishi Heavy Ind Ltd 難溶性スケールの化学的洗浄方法
US5169563A (en) * 1989-07-14 1992-12-08 Katayama Chemical Inc. Water treatment agent and water treatment method for a boiler
JPH0356681A (ja) * 1989-07-21 1991-03-12 Katayama Chem Works Co Ltd 純水ボイラの水処理剤及び水処理方法
JP3162099B2 (ja) * 1991-04-30 2001-04-25 株式会社片山化学工業研究所 軟水ボイラの水処理法
JP2001070986A (ja) * 1999-09-09 2001-03-21 Fujisawa Pharmaceut Co Ltd スケール防止剤および高温高圧水系用水処理剤

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011004763A1 *

Also Published As

Publication number Publication date
WO2011004763A1 (ja) 2011-01-13
US20120145187A1 (en) 2012-06-14
JP2011012333A (ja) 2011-01-20
JP5363893B2 (ja) 2013-12-11
EP2455514A1 (en) 2012-05-23

Similar Documents

Publication Publication Date Title
ZA201200929B (en) Process for treating agglomerating or bitumous coal by removing volatie components
GB201409720D0 (en) Method for the removal or suppression of interfering metal ions using environmentally friendly competitive binders
IL218393A0 (en) Method of preparign plant-derived vlps
ZA201302999B (en) Aqueous composition for pretreating a metallic surface before further coating or for treating said surface
GB201020966D0 (en) Method of starting a steam turbine
IL214651A0 (en) Creped tissue sheets treated with an additive composition according to a pattern
EP2501898A4 (en) PROCESS FOR PRODUCING HEAT FOR TREATING OIL FIELD DEPOSITS
IS2988B (is) Aðferð til að hreinsa vetnissúlfíð úr jarðhitagufu og þéttum vökva
BR112013007632A2 (pt) processo para o tratamento da biomassa para a produção de um produto da biomassa pré tratada
EP2491164A4 (en) SURFACE PASSIVATION TECHNIQUE FOR REDUCTION OF ENCRASION
ZA201107815B (en) Method of treating edema related to ischemia-reperfusion
EP2613892A4 (en) METHOD OF TREATING METAL SURFACES
WO2011011644A9 (en) Method to improve laser treatment of disease
GB201302929D0 (en) A method of treating alzheimers disease
EP2455514A4 (en) Method for treating iron-based metal surface which is exposed to superheated steam
GB2472474B (en) Method for applying a coating to a surface
EP2507430A4 (en) IMPROVED METHODS FOR TREATING BIOMASS FOR ENZYMATIC HYDROLYSIS
EP2300496A4 (en) ATHEROSCLEROSIS TREATMENT METHODS
IL218230A0 (en) Method of treating cancer
GB2472921B (en) Well treatment method for inhibiting scale formation
BR112012001806A2 (pt) método de produção do aço eletrotécnico anisotrópico em chapas
HK1134746A2 (en) Method for treating boiler surface
EP2413698A4 (en) PROCESS FOR TREATING OSTEOPOROSIS
SI2348142T1 (sl) Postopek in pripravek za odstranjevanje usedlin vodnega kamna s kovinskih površin v generatorju pare
EP2367779A4 (en) PROCESS FOR THE CONVERSION OF GLYCEROL TO ISOPROPYL ALCOHOL

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20120203

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20171211

RIC1 Information provided on ipc code assigned before grant

Ipc: F22B 37/02 20060101ALI20171201BHEP

Ipc: C23F 14/02 20060101AFI20171201BHEP

Ipc: F16L 58/00 20060101ALI20171201BHEP

Ipc: C23F 11/08 20060101ALI20171201BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180717