Removal of combustion deposits

A method of removing sulphide combustion deposit from at least one heated metal surface exposed to combustion gases in a boiler 2 includes opening a port in the boiler to permit access to the metal surface. A non-acidic cleaning agent 1 of ammonium-free, non-effervescent solution of sodium bicarbona...

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Bibliographic Details
Main Author TERENCE HAMILTON YATES
Format Patent
LanguageEnglish
Published 06.01.2010
Subjects
BLASTING
DOMESTIC HOT-WATER SUPPLY SYSTEMS
DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS
ELEMENTS OR COMPONENTS THEREFOR
FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL
HEATING
LIGHTING
MECHANICAL ENGINEERING
RANGES
VENTILATING
WEAPONS
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Summary:A method of removing sulphide combustion deposit from at least one heated metal surface exposed to combustion gases in a boiler 2 includes opening a port in the boiler to permit access to the metal surface. A non-acidic cleaning agent 1 of ammonium-free, non-effervescent solution of sodium bicarbonate is sprayed onto the heated surface/s. The solution also includes a wetting agent. Application of the solution permits the loosened combustion deposit to exhaust from the boiler via an exhaust flue. A further combination includes sodium bicarbonate, a dye or pigment for the sodium bicarbonate, an aqueous wetting agent and optionally a zirconium salt, for use in forming an aqueous solution for removal of sulphide combustion products from heated metal surfaces of domestic oil-fired pressure jet boilers.
Bibliography:Application Number: GB20080010744