EP2356376A4 - Chemical cleaning method and system with steam injection - Google Patents

Chemical cleaning method and system with steam injection Download PDF

Info

Publication number
EP2356376A4
EP2356376A4 EP09831147.5A EP09831147A EP2356376A4 EP 2356376 A4 EP2356376 A4 EP 2356376A4 EP 09831147 A EP09831147 A EP 09831147A EP 2356376 A4 EP2356376 A4 EP 2356376A4
Authority
EP
European Patent Office
Prior art keywords
cleaning method
steam injection
chemical cleaning
chemical
steam
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.)
Granted
Application number
EP09831147.5A
Other languages
German (de)
French (fr)
Other versions
EP2356376A1 (en
EP2356376B1 (en
Inventor
Robert D. Varrin, Jr.
Michael J. Little
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.)
Westinghouse Electric Co LLC
Original Assignee
Dominion Engineering Inc
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 Dominion Engineering Inc filed Critical Dominion Engineering Inc
Priority claimed from US12/630,729 external-priority patent/US8459277B2/en
Publication of EP2356376A1 publication Critical patent/EP2356376A1/en
Publication of EP2356376A4 publication Critical patent/EP2356376A4/en
Application granted granted Critical
Publication of EP2356376B1 publication Critical patent/EP2356376B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/48Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
    • F22B37/54De-sludging or blow-down devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/002Component parts or details of steam boilers specially adapted for nuclear steam generators, e.g. maintenance, repairing or inspecting equipment not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/48Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
    • F22B37/483Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers specially adapted for nuclear steam generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/48Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
    • F22B37/52Washing-out devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/56Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28GCLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00Non-rotary, e.g. reciprocated, appliances
    • F28G1/16Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
    • F28G1/166Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris from external surfaces of heat exchange conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28GCLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G9/00Cleaning by flushing or washing, e.g. with chemical solvents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2230/00Other cleaning aspects applicable to all B08B range
    • B08B2230/01Cleaning with steam
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10Objects to be cleaned
    • C11D2111/14Hard surfaces
    • C11D2111/20Industrial or commercial equipment, e.g. reactors, tubes or engines
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/40Specific cleaning or washing processes
    • C11D2111/44Multi-step processes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP09831147.5A 2008-12-03 2009-12-03 Chemical cleaning method and system with steam injection Active EP2356376B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11971908P 2008-12-03 2008-12-03
PCT/US2009/066652 WO2010065785A1 (en) 2008-12-03 2009-12-03 Chemical cleaning method and system with steam injection
US12/630,729 US8459277B2 (en) 2008-12-03 2009-12-03 Chemical cleaning method and system with steam injection

Publications (3)

Publication Number Publication Date
EP2356376A1 EP2356376A1 (en) 2011-08-17
EP2356376A4 true EP2356376A4 (en) 2018-02-28
EP2356376B1 EP2356376B1 (en) 2019-08-28

Family

ID=42233617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09831147.5A Active EP2356376B1 (en) 2008-12-03 2009-12-03 Chemical cleaning method and system with steam injection

Country Status (2)

Country Link
EP (1) EP2356376B1 (en)
WO (1) WO2010065785A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102537930B (en) * 2010-12-17 2015-04-01 冯伟忠 Cleaning method for concurrent boiler
CN102169112B (en) * 2010-12-29 2013-04-24 中国科学院广州能源研究所 Device and method for research of low-dosage inhibitor of natural gas hydrate
CN104088623B (en) * 2014-06-19 2015-05-27 中国石油大学(华东) Automatic hydrate preventing device for deep water gas well test and preventing method
CN104343416B (en) * 2014-10-24 2016-08-17 中国石油大学(华东) Downhole choke valve, deep water gas well test system and method for testing
CN104534919B (en) * 2014-11-24 2016-03-16 河南巨龙生物工程股份有限公司 A kind of method of simultaneously carrying out the scale removal of fermentation tank coil pipe and leak detection
CN105363712B (en) * 2015-11-24 2019-01-18 中国航空工业集团公司沈阳飞机设计研究所 A kind of aircraft surfaces steaming-out system
MX2018003997A (en) * 2016-08-04 2018-05-28 Dominion Eng Inc Suppression of radionuclide deposition on nuclear power plant components.
BR112019028198A2 (en) * 2017-12-29 2020-07-07 Joint Stock Company ''atomenergoproekt'' installation of steam from two-circuit nuclear reactor with purge and drainage system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE389883C (en) * 1924-02-09 G & J Weir Ltd Steam jet water preheater
JPS55100804U (en) * 1978-12-28 1980-07-14
US4581074A (en) * 1983-02-03 1986-04-08 Mankina Nadezhda N Method for cleaning internal heat transfer surfaces of boiler tubes
US5066137A (en) * 1991-03-04 1991-11-19 King Leonard T Steam injection and mixing apparatus
DE102004054471B3 (en) * 2004-11-11 2006-04-27 Framatome Anp Gmbh Cleaning process for removal of magnetite-containing deposits from a pressure vessel of a power plant

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273076A (en) * 1978-12-28 1981-06-16 Westinghouse Electric Corp. Steam generator sludge lancing apparatus
US4492186A (en) * 1982-08-23 1985-01-08 Proto-Power Management Corporation Steam generator sludge removal method
US4676201A (en) * 1984-07-25 1987-06-30 Westinghouse Electric Corp. Method and apparatus for removal of residual sludge from a nuclear steam generator
US5257296A (en) * 1991-10-25 1993-10-26 Buford Iii Albert C Steam generator chemical solvent mixing system and method
US5425814A (en) * 1991-12-10 1995-06-20 Serv-Tech, Inc. Method for quick turnaround of hydrocarbon processing units
US5507306A (en) * 1993-12-23 1996-04-16 Howmet Corporation Cleaning apparatus and method for cleaning internal airfoil cooling passages
WO2004005834A1 (en) * 2002-07-09 2004-01-15 Clyde Bergemann, Inc. Multi-media rotating sootblower and automatic industrial boiler cleaning system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE389883C (en) * 1924-02-09 G & J Weir Ltd Steam jet water preheater
JPS55100804U (en) * 1978-12-28 1980-07-14
US4581074A (en) * 1983-02-03 1986-04-08 Mankina Nadezhda N Method for cleaning internal heat transfer surfaces of boiler tubes
US5066137A (en) * 1991-03-04 1991-11-19 King Leonard T Steam injection and mixing apparatus
DE102004054471B3 (en) * 2004-11-11 2006-04-27 Framatome Anp Gmbh Cleaning process for removal of magnetite-containing deposits from a pressure vessel of a power plant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010065785A1 *

Also Published As

Publication number Publication date
WO2010065785A1 (en) 2010-06-10
EP2356376A1 (en) 2011-08-17
EP2356376B1 (en) 2019-08-28

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