Patent ID: 9557123
Date: 2017-01-31
CPC Classifications: B05B,B05C,B05D,B08B,B65H,F28F,F28G

Claim:
1. A dual use device for the internal treatment of pipes for coolant tubes of steam condensers and heat exchangers, the device being designed for internal high pressure cleaning and coating of pipes comprising a supply unit (V) for feeding and conveying treatment media capable of said dual use by in one use providing a cleaning medium at a pressure of between 1,500 and 2,500 bar and in a second use providing a coating material at up to 500 bar, an application unit (A) to apply the treatment media fed in by the supply unit, as well as a control unit to monitor and control the supplied treatment media and the application of treatment media to the inner wall of the pipes, wherein the application unit (A) is provided with a guiding hose ( 21 ) through which an application hose ( 18 ) extends designed so as to be inserted into the pipe to be treated, said application hose ( 18 ) terminating in a nozzle, characterized in that, the application hose ( 18 ) can be wound up in a single layer on a driven reel ( 17 ) and secured on the reel ( 17 ) by means of tensioning belts, the application hose ( 18 ) is capable of moving forward and back via guide rollers ( 27 ) arranged on a traversing carriage ( 55 ), the guide rollers ( 27 ) are powered by a drive ( 24 ) operating synchronously with the drive ( 19 ) of the reel ( 17 ), and the traversing carriage ( 55 ) moves parallelly to the reel axis relative to the extended position of the application hose ( 18 ), and wherein the cleaning medium is water and the coating material is hardening plastic.