Abstract: The invention relates to a device for the internal treatment of pipes, in particular for coolant tubes of steam condensers and heat exchangers, comprising a supply unit (V) for feeding and conveying treatment media, 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, wherein 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 operating synchronously with

Abstract: The invention relates to a device for the internal treatment of pipes, in particular for coolant tubes of steam condensers and heat exchangers, comprising a supply unit (V) for feeding and conveying treatment media, 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, wherein 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 operating synchronously with

Abstract: A blasting device, especially for cleaning the surfaces of hollow areas, uses a conveying medium, preferably air, with an added solid blasting agent. The blasting device includes a twisting chamber that impresses the jet with a controlled twist. The twisting chamber has a cylindrical shape and includes a tangential inlet for the conveying medium and the blasting agent, and an outlet changing into a nozzle component conically tapering at an angle of 10° to 25°.

Abstract: A blasting device, especially for cleaning the surfaces of hollow areas, uses a conveying medium, preferably air, with an added solid blasting agent. The blasting device includes a twisting chamber that impresses the jet with a controlled twist. The twisting chamber has a cylindrical shape and includes a tangential inlet for the conveying medium and the blasting agent, and an outlet changing into a nozzle component conically tapering at an angle of 10° to 25°.

Abstract: Coating for the tube sheets and heat exchanger coolant tubes extending from them, especially steam condensers, based on hardening plastic mixtures, obtainable by cleaning the surfaces provided for coating using an abrasive; closing the tube inlets and outlets (or tube inlets only) with removable plugs; applying at least one layer of a hardening plastic coating on the tube sheet; allowing the coating to harden so that additional mechanical processing can ensue, and processing the surface; removing the plugs from the tube inlets and outlets (or tube inlets only) as well as applying at least one layer of a hardening plastic coating at least in the inlet area of the coolant tube, and allowing it to harden, coating of the coolant tubes by timed applications being done reactively to the tube sheet coating and the coolant tube coating exhibiting in comparison to the tube sheet coating a greater elasticity having an elongation at tear at least 2% greater in accordance with ASTM D522 with respect to the elongation at

Abstract: An apparatus for coating the inside of pipes An apparatus for coating the inside of pipes, in particular the coolant pipes of steam condensers and heat exchangers with plastics, having a supply unit (V) for bringing up and passing on coating material, an application unit (A) for applying the coating material brought up by the supply unit, and a control unit for monitoring and controlling the supply of coating material and the discharge of coating material on the inside walls of pipes, the application unit (A) having a guide tube (21) with a nose piece (29) to be mounted on the pipe to be coated and an application tube (18) with an application nozzle (30), said application tube being guided within the guide tube (21) and adapted to be introduced into the pipe to be coated through the nose piece (29).

Abstract: Coating for the tube beds and heat exchanger coolant tubes extending from them, especially steam condensers, based on hardening plastic mixtures, obtainable by cleaning the surfaces provided for coating using an abrasive; closing the tube inlets and outlets with removable plugs; applying at least one layer of a hardening plastic coating on the tube bed; allowing the coating to harden so that additional mechanical processing can ensue, and processing the surface; removing the plugs from the tube inlets and outlets as well as applying at least one layer of a hardening plastic coating at least in the inlet area of the coolant tube, and allowing it to harden, coating of the coolant tubes by timed applications being done reactively to the tube bed coating and the coolant tube coating exhibiting in comparison to the tube bed coating a greater elasticity having an elongation at tear at least 2% greater in accordance with DIN 53152 with respect to the elongation at tear of the tube bed coating, and process for coatin

Abstract: A process is herein provided for coating tube plates found in condensers, coolers or heat exchangers, with an anti-corrosion medium. The process includes inserting plugs 5 into the ends 3 of the tubes. One or more shuttering elements 6 are then applied over the outside of the plugs 5 and in front of the tube plates 1 thereby forming an enclosed intermediate space 8 between the tube plates and the shuttering. Anti-corrosion medium is then fed into the intermediate space 8 to form a coating 9 over the tube plate 1. Upon hardening of the medium, the shuttering is removed and the plugs are pulled out from the ends of the tubes.