A dewatering container as an elongate container which is open at the top has at least one wall which is permeable to liquid towards the interior, is designed as a cavity, and which walls can be the bottom and/or the side walls. These cavities have dewatering nozzles at the bottom for the purpose of emptying. Arranged on said dewatering nozzles by means of hanging devices are pieces of tube (70-73) which constantly leave an opening free into the cavities. Arranged on the side wall parts of the dewatering container at the top are hanger receiving devices (74-77) for hanging up the hanging devices. <IMAGE>
