FIELD: heating.
SUBSTANCE: invention relates to heat-power engineering and can be used for cleaning and protection against scale and corrosion of inner surfaces of heating or heat exchange of hot water and steam boilers and heat exchangers, heating-water converter plants, evaporators, heating mains, house heating systems and industrial objects, cooling system of internal-combustion engine during present operation. It is achieved ensured by introduction into boiler water of reagent in the form of hard wax. Reagent is introduced through dispenser, installed in suction-line of pump, which feeds boiler. Wax under action of temperature of feed water transfers from hard into liquid condition.
EFFECT: effectiveness increase of protection of boilers' surface and boiler water, and also cost reduction for boiler operation.
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