FIELD: construction.
SUBSTANCE: invention relates to construction and maintenance of smoke stacks and can be used for cleaning and application of corrosion-resistant coating on internal surfaces of smoke stacks. Cleaning and coating is performed by consecutive multiple passing from above downwards and from below upwards by the cleaning unit and coating unit (6 - 30 passes).
EFFECT: offered device will allow to improve the quality of the anticorrosive coating due to improvement of cleaning of internal surface of the smoke stack, to increase the service life of the stack by 45 % without affecting its properties and to decrease the cost of its operation.
3 dwg
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