ATE491673T1 - Vorrichtung zur überwachung des fouling von wässrigen systemen - Google Patents

Vorrichtung zur überwachung des fouling von wässrigen systemen

Info

Publication number
ATE491673T1
ATE491673T1 AT06740149T AT06740149T ATE491673T1 AT E491673 T1 ATE491673 T1 AT E491673T1 AT 06740149 T AT06740149 T AT 06740149T AT 06740149 T AT06740149 T AT 06740149T AT E491673 T1 ATE491673 T1 AT E491673T1
Authority
AT
Austria
Prior art keywords
monitoring
assembly
fouling
recording
heat transfer
Prior art date
Application number
AT06740149T
Other languages
English (en)
Inventor
George Hays
Eric Hoernle
Original Assignee
Ashland Licensing & Intellectu
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 Ashland Licensing & Intellectu filed Critical Ashland Licensing & Intellectu
Application granted granted Critical
Publication of ATE491673T1 publication Critical patent/ATE491673T1/de

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/16Disinfection or sterilisation of materials or objects, in general; Accessories therefor using chemical substances
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/76Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/76Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C02F1/766Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens by means of halogens other than chlorine or of halogenated compounds containing halogen other than chlorine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/008Monitoring fouling
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C02F1/4674Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023Water in cooling circuits
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • C02F2201/003Coaxial constructions, e.g. a cartridge located coaxially within another
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/04Oxidation reduction potential [ORP]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/06Controlling or monitoring parameters in water treatment pH
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/20Prevention of biofouling
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/04Surfactants, used as part of a formulation or alone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Catching Or Destruction (AREA)
AT06740149T 2005-03-31 2006-03-31 Vorrichtung zur überwachung des fouling von wässrigen systemen ATE491673T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66675005P 2005-03-31 2005-03-31
PCT/US2006/011835 WO2006105368A2 (en) 2005-03-31 2006-03-31 Apparatuses and systems for monitoring fouling of aqueous systems including enhanced heat exchanger tubes

Publications (1)

Publication Number Publication Date
ATE491673T1 true ATE491673T1 (de) 2011-01-15

Family

ID=37053720

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06740149T ATE491673T1 (de) 2005-03-31 2006-03-31 Vorrichtung zur überwachung des fouling von wässrigen systemen

Country Status (9)

Country Link
US (3) US20070081573A1 (de)
EP (3) EP1866636A4 (de)
AT (1) ATE491673T1 (de)
CA (3) CA2602822C (de)
DE (1) DE602006018888D1 (de)
ES (1) ES2356064T3 (de)
PL (1) PL1869446T3 (de)
PT (1) PT1869446E (de)
WO (3) WO2006105368A2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7637653B2 (en) * 2006-06-21 2009-12-29 Areva Np Inc. Method to analyze economics of asset management solutions for nuclear steam generators
CN101113963B (zh) * 2007-07-03 2010-10-20 吴永刚 一种测量液体导热系数的方法及其装置
US20090188645A1 (en) * 2008-01-28 2009-07-30 Intec, Inc Tube fouling monitor
US8147130B2 (en) * 2008-04-18 2012-04-03 General Electric Company Heat flux measurement device for estimating fouling thickness
DE102008064038A1 (de) * 2008-12-22 2010-07-01 Ksb Aktiengesellschaft Vorrichtung und Verfahren zur Detektion von Belägen
FR2941052B1 (fr) * 2009-01-09 2012-11-02 Neosens Capteur et procede de mesure en continu du niveau d'encrassement
FR2941300B1 (fr) * 2009-01-19 2016-07-01 Neosens Micro-capteur realise en technologies microsystemes pour la mesure et/ou la detection de l'encrassement.
WO2010144037A1 (en) * 2009-06-09 2010-12-16 Ge Healthcare Bio-Sciences Ab Automated fluid handling system
US9506883B2 (en) * 2012-01-30 2016-11-29 Fuji Electric Co., Ltd. Scale deposition testing device
DE102012109758B3 (de) * 2012-10-12 2014-03-06 Khs Gmbh Verfahren zum Reinigen, Desinfizieren und/oder Sterilisieren von Packmitteln und/oder von Komponenten von Behälterbehandlungsanlagen
WO2016019363A1 (en) * 2014-08-01 2016-02-04 Gordon & Rosenblatt, Llc Methods for treating premise plumbing
CN104730104B (zh) * 2015-03-11 2017-10-03 中国科学技术大学 一种用于氚增殖剂球床热导率的测量平台
US20160326024A1 (en) * 2015-05-08 2016-11-10 Emo3 Inc. Water disinfection apparatus and method for disinfection of recirculated water in a cooling tower
US10295489B2 (en) 2016-09-12 2019-05-21 Ecolab Usa Inc. Deposit monitor
US10816285B2 (en) * 2017-02-24 2020-10-27 Ecolab Usa Inc. Thermoelectric deposit monitor
BR112020005034B1 (pt) 2017-09-19 2023-10-10 Ecolab Usa Inc Método para controlar tratamento de água de resfriamento, e,sistema
AU2018364983B2 (en) 2017-11-10 2024-08-15 Ecolab Usa Inc. Cooling water monitoring and control system
CN108592997B (zh) * 2018-04-24 2022-11-15 中国核动力研究设计院 一种水平圆管蒸汽冷凝传热热工参数测量装置
US11953458B2 (en) 2019-03-14 2024-04-09 Ecolab Usa Inc. Systems and methods utilizing sensor surface functionalization
BR112022007562A2 (pt) 2019-10-24 2022-07-05 Ecolab Usa Inc Sistema para análise de depósito, e, método para determinar o depósito
US11229143B2 (en) * 2019-10-29 2022-01-18 Asia Vital Components Co., Ltd. Liquid-cooling heat dissipation system capable of regulating water quality
KR20230069217A (ko) * 2020-09-18 2023-05-18 와틀로 일렉트릭 매뉴팩츄어링 컴파니 유체 흐름 도관들 내 물질 침전물들을 검출하기 위한 디바이스들
WO2022207100A1 (de) * 2021-03-31 2022-10-06 Siemens Aktiengesellschaft Verfahren und vorrichtung zur ermittlung von fouling bei einem wärmetauscher
EP4112565B1 (de) 2021-06-30 2024-07-31 Red Bull GmbH Verfahren zur kontrolle des wachstums von mikroorganismen

Family Cites Families (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831951A (en) * 1954-07-06 1958-04-22 Watlow Electric Mfg Cartridge heater and method of making same
US3222916A (en) * 1962-02-12 1965-12-14 North American Aviation Inc Metal oxide concentration meter
US3306109A (en) * 1963-07-11 1967-02-28 Robertshaw Controls Co Insulator insert for thermal sensing device
US3825669A (en) * 1973-05-29 1974-07-23 Westinghouse Electric Corp High temperature, high pressure electrical penetration assembly
US3918300A (en) * 1974-01-03 1975-11-11 Aaron Weisstuch Heat transfer measuring device
US4138878A (en) * 1976-12-03 1979-02-13 Rohrback Corporation Method and apparatus for detecting and measuring scale
US4213004A (en) * 1978-06-30 1980-07-15 The United States Of America As Represented By The Secretary Of The Air Force Hermetic electrical feedthrough for aluminum housing and method of making same
US4358957A (en) * 1980-09-05 1982-11-16 Teledyne Isotopes Temperature measuring method and apparatus
US4289924A (en) * 1980-09-24 1981-09-15 General Motors Corporation Injectable grommet assembly
US4346587A (en) * 1980-10-30 1982-08-31 Drew Chemical Corporation Process and apparatus for testing fluids for fouling and antifoulant protocol
US4383438A (en) * 1981-06-02 1983-05-17 Petrolite Corporation Fouling test apparatus
US4686854A (en) 1981-06-18 1987-08-18 Drew Chemical Corporation Process and apparatus for measuring corrosion rate of a heat transfer surface
DE3412786A1 (de) * 1984-04-05 1985-10-17 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Leitungsdurchfuehrung
US4686454A (en) * 1984-08-22 1987-08-11 Pasar, Inc. Conductor tracer with improved open circuit detection, close-range discrimination and directionality
CA1288256C (en) 1985-12-27 1991-09-03 George Freedman Hays Portable assembly for testing fluids
US5068196A (en) * 1985-12-27 1991-11-26 Ashland Oil Inc. Method for determining fluid corrosiveness
US4722610A (en) * 1986-03-07 1988-02-02 Technology For Energy Corporation Monitor for deposition on heat transfer surfaces
US4718774A (en) * 1986-04-23 1988-01-12 Texaco Inc. Scale monitoring means and method
US4822294A (en) * 1987-02-13 1989-04-18 General Motors Corporation Sealing grommet assembly for wiring harness
US4860821A (en) * 1988-07-15 1989-08-29 Hagewood Brown T Process for cleaning tube type heat exchangers
US4961018A (en) * 1989-08-11 1990-10-02 Wayne/Scott Fetzer Company Enclosed pump motor and wiring thereof
US5178009A (en) * 1990-03-08 1993-01-12 Industrial Engineering And Equipment Company Integral temperature and liquid level sensor and control
US5038741A (en) * 1990-04-13 1991-08-13 Walbro Corporation In-tank fuel module
JP2675684B2 (ja) * 1990-05-10 1997-11-12 株式会社東芝 熱交換器の異常監視装置
FR2671181B1 (fr) * 1990-12-31 1993-04-23 Gaz De France Installation d'essai de corrosion generalisee a haute temperature.
US5170017A (en) * 1991-02-15 1992-12-08 Augat Inc. Connector and method for sealed pass-through of insulated electrical conductors
US5207562A (en) * 1992-04-30 1993-05-04 The Marley Company Submersible pump with handle providing electrical connection and oil port
US5453207A (en) * 1993-11-01 1995-09-26 Simpson; Gregory D. Biocide treatment system and method
US5460041A (en) * 1993-11-08 1995-10-24 Electric Power Research Institute, Inc. Apparatus and method for continuous measurement of the wet bulb temperature of a flue gas stream
GB9416217D0 (en) * 1994-08-11 1994-10-05 Amp Great Britain A fuel pump unit and an electrical connector therefor
US5631445A (en) * 1994-10-07 1997-05-20 Ford Motor Company Automotive fuel tank electrical fitting
US5613844A (en) * 1994-11-15 1997-03-25 Walbro Corporation Submersible electronic drive module
US5558157A (en) * 1994-12-19 1996-09-24 Makowski; James Apparatus and method of removing microfouling from the waterside of a heat exchanger
US5576481A (en) * 1995-10-02 1996-11-19 Ashland, Inc. Method and apparatus for detecting microbiological fouling in aqueous systems
US5615733A (en) * 1996-05-01 1997-04-01 Helio-Compatic Corporation On-line monitoring system of a simulated heat-exchanger
JP3124506B2 (ja) * 1997-03-14 2001-01-15 白光株式会社 ヒータ・センサ複合体
JP2002521661A (ja) * 1998-07-22 2002-07-16 ユニリーバー・ナームローゼ・ベンノートシヤープ 監視装置
IL125592A (en) * 1998-07-30 2004-06-01 Argad Eyal Water Treat Technol Water treatment
US6062069A (en) * 1998-08-05 2000-05-16 The University Of Chicago High temperature fouling test unit
US6068012A (en) * 1998-12-29 2000-05-30 Ashland, Inc. Performance-based control system
US6231318B1 (en) * 1999-03-29 2001-05-15 Walbro Corporation In-take fuel pump reservoir
US6325535B1 (en) * 1999-08-23 2001-12-04 Petro-Chem Development Co., Inc. In-situ radiant heat flux probe cooled by suction of ambient air
US6213101B1 (en) * 1999-10-29 2001-04-10 James W. Numbers Method and apparatus for blocking fluid and fuel vapors
US6501025B2 (en) * 1999-11-04 2002-12-31 Clements Manufacturing L.L.C. Method and apparatus for blocking fluid and fluid vapors
US6422839B1 (en) * 1999-11-24 2002-07-23 Visteon Global Technologies, Inc. Corrosive resistant fuel pump
US6386272B1 (en) * 2000-01-28 2002-05-14 York International Corporation Device and method for detecting fouling in a shell and tube heat exchanger
EP1299310A4 (de) 2000-05-19 2006-07-05 Watermaid Pty Ltd Instandhaltung von kühltürmen
JP2002031003A (ja) * 2000-07-18 2002-01-31 Mitsubishi Electric Corp 燃料供給装置
US6520199B2 (en) 2000-12-29 2003-02-18 Chin-Ying Huang Gas valve switch structure of gas stove
US6555754B2 (en) * 2001-01-18 2003-04-29 Walbro Corporation Automotive fuel tank electrical fitting
CA2462898C (en) 2001-10-09 2012-03-27 Albemarle Corporation Control of biofilms in industrial water systems
US8668779B2 (en) * 2002-04-30 2014-03-11 Nalco Company Method of simultaneously cleaning and disinfecting industrial water systems
US6715914B1 (en) * 2002-06-26 2004-04-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Apparatus and method for thermal performance testing of pipelines and piping systems
AU2003256524A1 (en) 2002-09-19 2004-04-08 Nalco Company Stabilized bromine and chlorine mixture, method of manufacture and uses thereof for biofouling control
US7249885B2 (en) * 2002-10-16 2007-07-31 Clyde Bergemann Gmbh Heat flux measuring device for pressure pipes, method for producing a measuring device, method for monitoring an operating state of a heat exchanger, heat exchanger and method for measuring a heat flux
US7192187B2 (en) * 2003-04-14 2007-03-20 John R Blichmann In-line thermometer
US6959588B2 (en) * 2003-06-19 2005-11-01 Schlumberger Technology Corporation Couette device and method to study solids deposition from flowing fluids
US6982097B2 (en) 2003-07-15 2006-01-03 Sani-Care Salon Products, Inc. Biocidal compositions and methods of using same
KR100524148B1 (ko) * 2003-08-14 2005-10-27 애큐랩주식회사 수성시스템에서의 미생물오염제어방법
US8360635B2 (en) * 2007-01-09 2013-01-29 Schlumberger Technology Corporation System and method for using one or more thermal sensor probes for flow analysis, flow assurance and pipe condition monitoring of a pipeline for flowing hydrocarbons

Also Published As

Publication number Publication date
WO2006105370A3 (en) 2007-12-06
CA2602822A1 (en) 2006-10-05
EP1869446B1 (de) 2010-12-15
ES2356064T3 (es) 2011-04-04
US7581874B2 (en) 2009-09-01
CA2602818C (en) 2013-03-26
US7594430B2 (en) 2009-09-29
EP1871429A4 (de) 2008-12-03
EP1866636A2 (de) 2007-12-19
PT1869446E (pt) 2011-03-17
CA2602818A1 (en) 2006-10-05
WO2006105368A2 (en) 2006-10-05
PL1869446T3 (pl) 2011-04-29
EP1869446A4 (de) 2009-04-29
WO2006105370A2 (en) 2006-10-05
EP1866636A4 (de) 2009-10-21
US20070081573A1 (en) 2007-04-12
EP1869446A2 (de) 2007-12-26
CA2602822C (en) 2014-06-17
EP1871429A1 (de) 2008-01-02
DE602006018888D1 (de) 2011-01-27
CA2602820A1 (en) 2006-10-05
WO2006105368A3 (en) 2007-05-31
US20070025413A1 (en) 2007-02-01
US20070089494A1 (en) 2007-04-26
WO2006105369A1 (en) 2006-10-05

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