WO2005010454A3 - Cleaning agent, device and process for removing scale - Google Patents

Cleaning agent, device and process for removing scale Download PDF

Info

Publication number
WO2005010454A3
WO2005010454A3 PCT/HR2004/000023 HR2004000023W WO2005010454A3 WO 2005010454 A3 WO2005010454 A3 WO 2005010454A3 HR 2004000023 W HR2004000023 W HR 2004000023W WO 2005010454 A3 WO2005010454 A3 WO 2005010454A3
Authority
WO
WIPO (PCT)
Prior art keywords
active agent
cleaning agent
scale
optimally
staff
Prior art date
Application number
PCT/HR2004/000023
Other languages
French (fr)
Other versions
WO2005010454A2 (en
Inventor
Romeo Lambasa
Original Assignee
Romeo Lambasa
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 Romeo Lambasa filed Critical Romeo Lambasa
Publication of WO2005010454A2 publication Critical patent/WO2005010454A2/en
Publication of WO2005010454A3 publication Critical patent/WO2005010454A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
    • C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • C02F5/125—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen combined with inorganic substances
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023—Water in cooling circuits

Abstract

The cleaning agent, device and processes for removing settled scale presents an invention that enables and ensures efficient and thorough removal of the layer of settled scale. The active cleaning agent consists of 75-percent phosphoric acid, 31-percent muriatic acid, EDTA, glycol, glycerol and water. Chemical composition of the active agent ensures that treated surfaces are not damaged in the process of removing scale. The active agent is non­toxic and it is safe for the staff, biodegradable and, due to the fact that it does not pollute it, environmentally friendly. Due to its mobility, as well as to the flexible tubes and the sockets, the device enables simple and quick connection to virtually any device comprising the heat exchanger, without any need to move and/or dismantle it. The device operates with increased temperature - optimally within the range 45-65°C, increased pressure - optimally within the range 2-6 bars, flow rate capacity of 25-501/min, high number of exchanges of the active agent, possibility of changing direction of the active agent circulation, and with a possibility of multiple use of the active agent until the acidity value of the solvent reaches the value of pH=3,5. The process could be carried out in any conditions, it is safe for the staff and environmentally friendly. Application of the invention provides maximum functionality and increases the lifetime of the heat exchanger.
PCT/HR2004/000023 2003-07-25 2004-07-23 Cleaning agent, device and process for removing scale WO2005010454A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HR20030605A HRP20030605A2 (en) 2003-07-25 2003-07-25 Agent, appliance and process for removing scale
HRP20030605A 2003-07-25

Publications (2)

Publication Number Publication Date
WO2005010454A2 WO2005010454A2 (en) 2005-02-03
WO2005010454A3 true WO2005010454A3 (en) 2005-05-19

Family

ID=34090426

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/HR2004/000023 WO2005010454A2 (en) 2003-07-25 2004-07-23 Cleaning agent, device and process for removing scale

Country Status (2)

Country Link
HR (1) HRP20030605A2 (en)
WO (1) WO2005010454A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2436330A (en) * 2006-03-20 2007-09-26 Christian Jean Gauthier A cleaning system for an electrode
CN104595916B (en) * 2014-11-27 2017-01-25 中国石油天然气股份有限公司 Method for cleaning accumulated ash of convection section fins of steam-injection boiler
CN106051799B (en) * 2016-06-02 2018-05-08 田新松 A kind of cleaning method of the efficient scale removal of oil field boiler convection section

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2095380A (en) * 1934-11-21 1937-10-12 Charles N Coryell Holder for stick materials
US3350223A (en) * 1966-05-18 1967-10-31 Jr Robert G Monteath Plural step method for cleaning the liquid cooling system of an internal combustion engine
US3951827A (en) * 1973-12-03 1976-04-20 Borg-Warner Corporation Composition and method for removing insoluble scale deposits from surfaces
US4747975A (en) * 1984-10-26 1988-05-31 U H T Umwelt und Hygienetechnik GmbH Method of dissolving, and solvents for, difficult to dissolve carbonates
DE4432503A1 (en) * 1994-09-13 1996-03-14 Behr Industrietech Gmbh & Co Cleaning heat exchanger, partic. oil cooler for motor vehicle
US5607911A (en) * 1995-01-17 1997-03-04 Levin; Scott Aqueous compositions with detergent for rust and stain removal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2095380A (en) * 1934-11-21 1937-10-12 Charles N Coryell Holder for stick materials
US3350223A (en) * 1966-05-18 1967-10-31 Jr Robert G Monteath Plural step method for cleaning the liquid cooling system of an internal combustion engine
US3951827A (en) * 1973-12-03 1976-04-20 Borg-Warner Corporation Composition and method for removing insoluble scale deposits from surfaces
US4747975A (en) * 1984-10-26 1988-05-31 U H T Umwelt und Hygienetechnik GmbH Method of dissolving, and solvents for, difficult to dissolve carbonates
DE4432503A1 (en) * 1994-09-13 1996-03-14 Behr Industrietech Gmbh & Co Cleaning heat exchanger, partic. oil cooler for motor vehicle
US5607911A (en) * 1995-01-17 1997-03-04 Levin; Scott Aqueous compositions with detergent for rust and stain removal

Also Published As

Publication number Publication date
HRP20030605A2 (en) 2005-04-30
WO2005010454A2 (en) 2005-02-03

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