Process and device for loosening and removing solid coatings on the surfaces of enclosed spaces, e.g. the flue gas side of a furnace or boiler

Abstract From the Canadian patent

Process and device for loosening and removing solid coatings on the surfaces of enclosed spaces e.g. the, flue gas side of a furnace or boiler ABSTRACT OF THE DISCLOSURE, Process and device for loosening and removing soot and solid coatings on surfaces in enclosed spaces such as the flue gas side of a furnace or boiler. In the case of a furnace covers, and flue gas ducts to the flue gas side are sealed to form a closed chamber, which is supplied with unpressurized steam. Characterizing the process is that the steam before being, introduced into the enclosed space is saturated with a, cleaning composition which includes synthetic tensides, alkali complexing agents, a corrosion inhibitor and …