towers storage tanks and similar towers containing fiber suspensions of the wood processing industry the apparatus and method according to the invention for filling and cleaning a pulp tower in which method pulp is fed into the pulp tower either through its cover or at least feed devices arranged at its top are characterized in that the space surrounding the feed device is washable at the same time as the pulp is fed into the tower by means of washing devices arranged in connection with the feed devices application_number US 201213365147 A description the apparatus according to the invention comprises according to the figure a filling unit 12 provided at the top of the pulp tower preferably at the cover of the tower 10 preferably placed centrally to the shaft of the tower the filling unit being provided with a lid 14 and one or more connections 16 located at the side of the unit for a pipe or pipes delivering pulp to the tower inside the unit 12 below this connection there is situated preferably but not necessarily a baffle 18 or a funnel guiding pulp entering the tower from the connection 16 in the direction of the shaft of the tower the lid 14 of this filling unit is provided with a seal and a bearing 20 on a.