that is to be cleaned and in such a way that the first cleaning part 1 a and the second cleaning part 2 a will run in the outlet spout 12 through the entire length thereof from above and down and hence clean the spout 12 from occurring solidified soda cinder or the like see fig8 c this takes place in such a way that the first cleaning part 1 a cleans an upper part of the spout 12 and the second cleaning part 2 a simultaneously cleans a lower part of the spout 12 wherein an overlapping can take place so that an intermediate part of the spout 12 is cleaned by the first cleaning part 1 a as well as the second cleaning part 2 a the second cleaning part 2 a will also run past the lower end of the outlet spout 12 at the end of the spout the second cleaning part 2 a also cleaning around the lower end of the spout 12 and under the spout 12 in an area closest the lower end thereof possible beard like formations in the form of solidified soda cinder or the like being removed also there the drive mechanism 10 comprises a control system that may be maneuvered automatically via a timer or manually from a maneuvering room the control system may comprise one or several computers said front tool part 1 a d 3 6 and rear tool part 2 a d are manufactured from stainless acid proof steel or another suitable material that resists corrosive environment and high temperature in the cleaning device according to the.