DEVICE FOR CLEANING THE INTERIOR OF TUBES

摘要

The invention relates to a device for cleaning the interior of heat exchanger tubes (15), scrapers or the like being pushed through the heat exchanger tubes by means of press water and the scrapers being first inserted in the heat exchanger tubes and then a nozzle (9) being positioned in the heat exchanger tubes through which nozzle press water is ejected onto the scrapers, the nozzle being provided with a water supply line. The device further has a valve and/or a pump for controlling the flow of water and a spreader mechanism (5) for clamping the device inside the heat exchanger tube is provided on the part of the device projecting into the heat exchanger tube.